NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-061-0004
Lock Washer P/N 178362
In stock — 4 on our U.S. shelfNSN 5310-00-061-0004 5310000610004 NIIN 000610004
SECO Parts has 4 in stock of NSN 5310-00-061-0004 — Lock Washer — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 4 |
| Total | 4 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-061-0004 000610004 178362 475005 MS45904-57
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 345 — Heater Assembly, Multifuel, B=Model, M996, M996A1, M997, M997A1, and M997A2 Ambulance | 25 | HMMWV: M996, M996A1, M997, M997A1, M997A2 |
| TM 9-2320-280-24P | Fig. 348 — Heater Assembly, Multifuel, A-Model, M996, M996A1, M997, M997A1, and M997A2 Ambulance | 36 | HMMWV: M996, M996A1, M997, M997A1, M997A2 |
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
- Material
- Overall Steel Comp 1050 or Steel Comp 1551 or Steel Comp 1552 or Steel Comp 1053 or Steel Comp 1055 or Steel Comp 1060
- Hole diameter
- 0.168–0.176 in
- Surface treatment
- Overall Cadmium and Chromate
- Material thickness
- 0.028–0.034 in
- Material document and classification
- Overall Fed STD All Material Responses 66
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Outside diameter
- 0.580–0.610 in
- Hardness rating
- Rockwell C Minimum 40.0 and Rockwell C Maximum 50.0
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
178362 475005 MS45904-57
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 4 on the shelf |
| Unit of issue | MX thousand |
| 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 5310-00-061-0004?
NSN 5310-00-061-0004 (5310000610004) — Lock Washer: SECO Parts has 4 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 5310-00-061-0004 available?
SECO Parts has 4 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-061-0004 cost?
SECO quotes NSN 5310-00-061-0004 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-00-061-0004?
Part numbers that cross-reference this NSN include 178362, 475005, MS45904-57. 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.