NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-637-9541
Lock Washer P/N 201410A
In stock — 1162 on our U.S. shelfNSN 5310-00-637-9541 5310006379541 NIIN 006379541
SECO Parts has 1,162 in stock of NSN 5310-00-637-9541 — Lock Washer — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- WASHER,LOCK
- SECO description
- WASHER, LOCK
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- RG-33 MRAP Vehicle; MRAP Buffalo MK2A2; MRAP - Cougar
- Platform
- MRAP parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 1162 |
| Total | 1162 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-637-9541 006379541 201410A 6318 95081857 019-00004-42 1459-68 4700-5 59025AX 36AX3 23MS35338-46 514276
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 1 — Engine and Container Assembly | 4 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 2 — Engine Mounting Brackets | 5 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 5 — Engine and Transmission Oil Cooler and Engine Oil Cooler Lines | 13 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 16 — Fuel Tank Assembly and Mounting Straps | 23 | HMMWV: All A2 models, plus M1123 |
| TM 9-2320-280-24P | Fig. 23 — Muffler, Exhaust Pipes, and Related Parts | 17 | HMMWV: All A0 and A1 models, plus M1121 |
| TM 9-2320-280-24P | Fig. 24 — Muffler, Exhaust Pipes, and Related Parts | 25 | HMMWV: All A2 models, plus M1123 |
| TM 9-2320-280-24P | Fig. 33A — Idler Pulley Bracket, Tensioner, and Related Parts (Serial Number 196901 and Above) | 16 | HMMWV: All A2 models except M997A2, plus M1123 |
| TM 9-2320-280-24P | Fig. 33B — Idler Pulleys and Mounting Hardware (Serial Number 196901 and Above) | 2 | HMMWV: All A2 models except M997A2, plus M1123 |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Outside diameter
- 0.680 in maximum
- Material
- Overall Steel Comp 1060 or Steel Comp 1064 or Steel Comp 1065
- Hole diameter
- 0.377–0.385 in
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response Ast- B633
- Hardness rating
- Rockwell C Minimum 38.0 and Rockwell C Maximum 46.0
- Material thickness
- 0.094 in minimum
- Special features
- Size: 3/8 (0.375 In.)
- Surface treatment
- Overall Zinc
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
201410A 6318 95081857 019-00004-42 1459-68 4700-5 59025AX 36AX3 23MS35338-46 514276 H2525M WL220600 500357-11 20-14-5 3/8IN. 132661 876-013C 28D15 4700-4 235D41-5 235D5 860-005-138 MS35338-46 ASME-B18.21.1 HK799G24M 15-004 35360478 G120380 3058-00870-06 285-23 850-1050 209-4510945-30 145-4510920-17 6-008-0020 60820 407 046 W03-001889 02604 411104-46 23111-99-0413
Also referenced as
0820-680610 0120382 121841 B18.21.1 3/8 IN. 10082556
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | GSA General Services Administration |
| Acquisition advice code | H Direct delivery from vendor — not stocked by the government; delivered direct from a vendor under a central contract. SECO has 1,162 on the shelf |
| Unit of issue | HD hundred |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5310-00-637-9541?
NSN 5310-00-637-9541 (5310006379541) — Lock Washer: SECO Parts has 1,162 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for lock washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-637-9541 available?
SECO Parts has 1162 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-637-9541 cost?
NSN 5310-00-637-9541 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What does NSN 5310-00-637-9541 fit?
The federal catalog lists NSN 5310-00-637-9541 as used on: RG-33 MRAP Vehicle; MRAP Buffalo MK2A2; MRAP - Cougar. SECO lists it under MRAP parts.
What part numbers cross-reference to NSN 5310-00-637-9541?
Part numbers that cross-reference this NSN include 201410A, 6318, 95081857, 019-00004-42, 1459-68, 4700-5, 59025AX, 36AX3. It is also referenced by older, superseded or advisory numbers: 0820-680610, 0120382, 121841, B18.21.1 3/8 IN., 10082556. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,LOCK. Same name is not the same part: check the part numbers.