NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-012-0379
Lock Washer P/N 7744771
In stock — 6 on our U.S. shelfNSN 5310-00-012-0379 5310000120379 NIIN 000120379
SECO Parts has 6 in stock of NSN 5310-00-012-0379 — 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
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 6 |
| Total | 6 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-012-0379 000120379 7744771 120379 10-20395 496D FC6783 56436 10113 MS35337-26 V11-1-030 FIG2213-5-16
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
- Hole diameter
- 0.319–0.333 in
- Outside diameter
- 0.575 in (nominal)
- Material thickness
- 0.056–0.066 in
- Hardness rating
- Rockwell C Minimum 45.0 and Rockwell C Maximum 53.0
- Material
- Overall Steel
- Material document and classification
- Overall Fed STD All Material Responses Fed STD 66,Aisi C1060 Thru C1080 or SAE 1060 Thru 1080
- Surface treatment
- Overall Cadmium or Zinc
- Surface treatment document and classification
- Overall Fed Spec 1ST Treatment Response QQ--416 or Fed Spec 2ND Treatment Response QQ-Z-325
- Nondefinitive spec/std data
- Style 1 and Class a
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
7744771 120379 10-20395 496D FC6783 56436 10113 MS35337-26 V11-1-030 FIG2213-5-16 393
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| 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 5310-00-012-0379?
NSN 5310-00-012-0379 (5310000120379) — Lock Washer: SECO Parts has 6 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 5310-00-012-0379 available?
SECO Parts has 6 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-012-0379 cost?
SECO quotes NSN 5310-00-012-0379 on request, usually the same business day.
What part numbers cross-reference to NSN 5310-00-012-0379?
Part numbers that cross-reference this NSN include 7744771, 120379, 10-20395, 496D, FC6783, 56436, 10113, MS35337-26. 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.