- FSC
- 5310Nuts and Washers
- NIIN / country
- 003899362 · International
- Unit / status
- EA · active
- Catalog unit price
- $247
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| ASSEMBLY OVERALL HEIGHT | INCHES MAXIMUM 0.476 |
| CHANNEL HEIGHT | INCHES MAXIMUM 0.298 |
| COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.254 |
| FEATURES PROVIDED | FLOATING NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL | NUT IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 |
| NOMINAL THREAD SIZE | INCHES 0.250 |
| NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.250 |
| NUT QUANTITY | 72 |
| NUT SPACING | INCHES NOMINAL 1.000 |
| OVERALL LENGTH | INCHES NOMINAL 72.000 |
| OVERALL WIDTH | INCHES MAXIMUM 0.552 |
| REMOVABLE NUT MANUFACTURER CODE | 76301 |
| REMOVABLE NUT MANUFACTURER PART NUMBER | ST3M445C4M4 |
| SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 76301-ST3-464 |
| SURFACE TREATMENT | CHANNEL ANODIZE AND PAINT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CHANNEL MIL SPEC 1ST TREATMENT RESPONSE -IL-A-8626 AND MFR REF 2ND TREATMENT RESPONSE --S425 FSC- 76301 |
| TEMP RATING | FAHRENHEIT MAXIMUM 350.0 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
Manufacturers that have won this work
DIBBS award history plus USASpending rows whose CAGE matches SAM registration. CAGE codes open the DLA vendor lookup. Names without a CAGE match are shown as unverified.
Recent award / quote activity
Open buys for this NSN
SPE4A626T24VT
DIBBS · quotes by Sep 8, 2026 · UNRESTRICTED
Quote history
Recorded quotes from nsn_quote_history when present (vendor references / quote tracker). Interchangeable-parts tables are not in this career schema — skipped.
No quote history rows for this NSN.
Listed manufacturers
MCRL rows for this NSN — companies that make or supply the part.