NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-01-102-2711
Self-Locking Extended Washer Nut P/N 12257242
In stock — 7477 on our U.S. shelfNSN 5310-01-102-2711 5310011022711 NIIN 011022711
SECO Parts has 7,477 in stock of NSN 5310-01-102-2711 — Self-Locking Extended Washer Nut — 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
- NUT,SELF-LOCKING,EXTENDED WASHER
- SECO description
- NUT, SELF-LOCKING, EXTENDED WASHER
- Federal supply class
- FSC 5310 — Nuts and Washers
- Platform
- M35 parts · M939 parts · HEMTT parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 7017 |
| New | NE | 460 |
| Total | 7477 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-01-102-2711 011022711 12257242 12305 11.04.04.02
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
- Thread class
- 2B
- Thread direction
- Right-Hand
- Locking feature
- Prevailing Torque All Metal Design
- Washer outside diameter
- 1.500–1.600 in
- Overall height
- 0.750 in (nominal)
- Washer thickness
- 0.120–0.150 in
- Width across flats
- 1.088–1.125 in
- Thread series
- UNF
- Thread quantity per inch
- 16
- Nominal thread size
- Inches 0.750
- Countersink angle
- Nut Degrees Nominal 90.0
- Material
- Overall Steel Comp 4130 or Steel Comp 4140
- Material document and classification
- Overall Assn STD All Material Responses Ast- A331
- Surface treatment
- Overall Cadmium and Chromate and Zinc
- Surface treatment document and classification
- Overall Fed Spec 1ST Treatment Response QQ--416,TY 2,CL 3 or Fed Spec 2ND Treatment Response QQ-Z-325,TY 2,CL 3
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
12257242 12305 11.04.04.02
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 7,477 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 5310-01-102-2711?
NSN 5310-01-102-2711 (5310011022711) — Self-Locking Extended Washer Nut: SECO Parts has 7,477 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 5310-01-102-2711 available?
SECO Parts has 7477 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-01-102-2711 cost?
SECO lists NSN 5310-01-102-2711 at $7.50 on its online store for card checkout; request a quote for quantity or to buy on a purchase order.
What part numbers cross-reference to NSN 5310-01-102-2711?
Part numbers that cross-reference this NSN include 12257242, 12305, 11.04.04.02. 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.