NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-515-9957
Lock Washer P/N MS35338-48M
In stock — 19900 on our U.S. shelfNSN 5310-00-515-9957 5310005159957 NIIN 005159957
SECO Parts has 19,900 in stock of NSN 5310-00-515-9957 — 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
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 19900 |
| Total | 19900 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-515-9957 005159957 MS35338-48M B18.21.1 FFW84CLASSASTYLE21-2INWASHERL0CK FF-W-84
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
- Hardness rating
- Rockwell C Minimum 38.0 and Rockwell C Maximum 46.0
- Hole diameter
- 0.502–0.512 in
- Outside diameter
- 0.869 in maximum
- Material
- Overall Steel Comp 1060 or Steel Comp 1080
- Material thickness
- 0.125 in (nominal)
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS35338-48M B18.21.1 FFW84CLASSASTYLE21-2INWASHERL0CK FF-W-84
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 19,900 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 5310-00-515-9957?
NSN 5310-00-515-9957 (5310005159957) — Lock Washer: SECO Parts has 19,900 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 5310-00-515-9957 available?
SECO Parts has 19900 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-515-9957 cost?
NSN 5310-00-515-9957 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 part numbers cross-reference to NSN 5310-00-515-9957?
Part numbers that cross-reference this NSN include MS35338-48M, B18.21.1, FFW84CLASSASTYLE21-2INWASHERL0CK, FF-W-84. 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.