NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5310 › 5310-00-449-2376
Self-Locking Hexagon Nut P/N MS21245-8
In stock — 54 on our U.S. shelfNSN 5310-00-449-2376 5310004492376 NIIN 004492376
SECO Parts has 54 in stock of NSN 5310-00-449-2376 — Self-Locking Hexagon Nut — 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
- NUT,SELF-LOCKING,HEXAGON
- SECO description
- NUT, SELF LOCKING
- Federal supply class
- FSC 5310 — Nuts and Washers
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 48 |
| New Surplus | NS | 6 |
| Total | 54 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5310-00-449-2376 004492376 MS21245-8 907504
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 167 — Wheel and Runflat Assembly | 26 | HMMWV: All models |
| TM 9-2320-280-24P | Fig. 191 — Towing Pintle Assembly | 16 | HMMWV: All models |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
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
- Lubrication
- Soluble Lubricant
- Temp rating
- Fahrenheit Nominal 450.0
- Thread class
- 3B
- Thread direction
- Right-Hand
- Thread series
- Unified National Joint Fine (Unjf)
- Thread quantity per inch
- 20
- Hardness rating
- Rockwell C Maximum 46.0
- Nut height
- 0.328 in maximum
- Bearing surface type
- Chamfered or Washer Faced
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416,TY 2,CL 3
- Nominal thread size
- Inches 0.500
- Width across flats
- 0.741–0.752 in
- Locking feature
- Prevailing Torque All Metal Design
- Surface treatment
- Overall Cadmium
- Material
- Overall Steel
- Bearing surface finish
- Microinches 125.0
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS21245-8 907504
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 54 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 5310-00-449-2376?
NSN 5310-00-449-2376 (5310004492376) — Self-Locking Hexagon Nut: SECO Parts has 54 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking hexagon nut in federal supply class 5310 (Nuts and Washers).
Is NSN 5310-00-449-2376 available?
SECO Parts has 54 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5310-00-449-2376 cost?
NSN 5310-00-449-2376 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 part numbers cross-reference to NSN 5310-00-449-2376?
Part numbers that cross-reference this NSN include MS21245-8, 907504. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,SELF-LOCKING,HEXAGON. Same name is not the same part: check the part numbers.