NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-630-4263
Lock Washer P/N 91111A138
In stock — 3 on our U.S. shelfNSN 5310-01-630-4263 5310016304263 NIIN 016304263
SECO Parts has 3 in stock of NSN 5310-01-630-4263 — 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
- Federal supply class
- FSC 5310 — Nuts and Washers
- Used on
- Nuclear-BI Reconnaissance System (6665-01-621-7138)
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 3 |
| Total | 3 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-01-630-4263 016304263 91111A138
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
- 12.7 mm (nominal)
- Outside diameter
- 18.0 mm (nominal)
- Material thickness
- 2.3 mm minimum
- Part name assigned by controlling agency
- Split Lock Washer
- Special features
- Oem Birkksen Inc., Sanford, Florida, Not a Manufacturer, They Source From Overseas (Importer)
- Material
- Overall Steel Comp 302
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
91111A138
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 3 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 5310-01-630-4263?
NSN 5310-01-630-4263 (5310016304263) — Lock Washer: SECO Parts has 3 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 5310-01-630-4263 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-630-4263 cost?
NSN 5310-01-630-4263 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 5310-01-630-4263 fit?
The federal catalog lists NSN 5310-01-630-4263 as used on: Nuclear-BI Reconnaissance System (6665-01-621-7138).
What part numbers cross-reference to NSN 5310-01-630-4263?
Part numbers that cross-reference this NSN include 91111A138. 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.