NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-741-1378
Key Washer P/N 7411378
In stock — 530 on our U.S. shelfNSN 5310-00-741-1378 5310007411378 NIIN 007411378
SECO Parts has 530 in stock of NSN 5310-00-741-1378 — Key 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,KEY
- SECO description
- LOCK,WHEEL BEARING A
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- W/s:Cargo, Trailer, M105A3; Chasis, Trlr, GP, 3 1/2T, 2-WHL, Tam D00807; Trailer Tank, Water 400 Gal, M149A2; Guided Missile, Intercept; Missile, Lance; Trlr, Cargo, 3/4T, 2WHL, Tam D08607
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 527 |
| New Surplus | NS | 3 |
| Total | 530 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-741-1378 007411378 7411378 2275710 20-914 1H227571D
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
- 3.375 in (nominal)
- External straight key width
- 0.438 in (nominal)
- Distance from centerline to top of internal key
- 1.185 in (nominal)
- Internal straight key width
- 0.335–0.350 in
- Material thickness
- 0.060 in (nominal)
- Hole diameter
- 2.650–2.660 in
- Material
- Overall Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1020 or Steel
- Material document and classification
- Overall Fed Spec 1ST Material Response QQ-S-698 T 2 or Fed Spec 2ND Material Response QQ-S-698 T 2 or Fed Spec 3RD Material Response QQ-698 T 2 or Fed Spec 4TH Material Response QQ-S-698 T 2 or Fed Spec 5TH Material Response QQ-S-698 T 2 or Fed Spec 6TH Material Response QQ-S-698 T2 or Fed Spec 7TH Material Response QQ-S-698 T 5
- Overall distance including keys
- 3.875 in (nominal)
- External key quantity
- 11
- Internal key quantity
- 1
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
7411378 2275710 20-914 1H227571D
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 530 on the shelf |
| Unit of issue | EA each |
| 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 5310-00-741-1378?
NSN 5310-00-741-1378 (5310007411378) — Key Washer: SECO Parts has 530 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for key washer in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-741-1378 available?
SECO Parts has 530 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-741-1378 cost?
NSN 5310-00-741-1378 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 5310-00-741-1378 fit?
The federal catalog lists NSN 5310-00-741-1378 as used on: W/s:Cargo, Trailer, M105A3; Chasis, Trlr, GP, 3 1/2T, 2-WHL, Tam D00807; Trailer Tank, Water 400 Gal, M149A2; Guided Missile, Intercept; Missile, Lance; Trlr, Cargo, 3/4T, 2WHL, Tam D08607.
What part numbers cross-reference to NSN 5310-00-741-1378?
Part numbers that cross-reference this NSN include 7411378, 2275710, 20-914, 1H227571D. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names WASHER,KEY. Same name is not the same part: check the part numbers.