NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-253-0975
Self-Locking Extended Washer Nut P/N EWN22A12
In stock — 3 on our U.S. shelfNSN 5310-00-253-0975 5310002530975 NIIN 002530975
SECO Parts has 3 in stock of NSN 5310-00-253-0975 — Self-Locking Extended Washer Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $40–$75 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
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
- NUT,SELF-LOCKING,EXTENDED WASHER
- SECO description
- NUT
- Federal supply class
- FSC 5310 — Nuts and Washers
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:
5310-00-253-0975 002530975 EWN22A12 EWN22A1216
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
- Width across flats
- 0.928–0.940 in
- Hardness rating
- Rockwell C Minimum 27.0 and Rockwell C Maximum 33.0
- Material
- Overall Steel
- Temp rating
- Fahrenheit Nominal 450.0
- Nominal thread size
- Inches 0.750
- Thread class
- 3B
- Thread direction
- Right-Hand
- Locking feature
- Prevailing Torque All Metal Design
- Surface treatment
- Overall Cadmium
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Washer outside diameter
- 1.513 in maximum
- Lubrication
- Soluble Lubricant
- Washer thickness
- 0.232 in minimum
- Thread series
- Unified National Joint Fine (Unjf)
- Thread quantity per inch
- 16
- Overall height
- 1.005 in maximum
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
EWN22A12 EWN22A1216
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 | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. 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 5310-00-253-0975?
NSN 5310-00-253-0975 (5310002530975) — Self-Locking Extended Washer Nut: SECO Parts has 3 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking extended washer nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-253-0975 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-253-0975 cost?
SECO typically prices parts like NSN 5310-00-253-0975 at $40–$75 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 5310-00-253-0975?
Part numbers that cross-reference this NSN include EWN22A12, EWN22A1216. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,SELF-LOCKING,EXTENDED WASHER. Same name is not the same part: check the part numbers.