- FSC
- 5310Nuts and Washers
- NIIN / country
- 014480074 · USA
- Unit / status
- EA · active
- Catalog unit price
- $3
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| COUNTERSINK ANGLE | NUT DEGREES MINIMUM 85.0 AND DEGREES MAXIMUM 95.0 |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| HARDNESS RATING | ROCKWELL C MINIMUM 24.0 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S-5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| NOMINAL THREAD SIZE | INCHES 0.250 |
| OVERALL HEIGHT | INCHES MINIMUM 0.308 AND INCHES MAXIMUM 0.328 |
| SPECIAL FEATURES | CRITICAL FEATURES, TOLERANCES,FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM,DEATH OR SERIOUS INJURY.ACTION ID 45534009 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WASHER OUTSIDE DIAMETER | INCHES MINIMUM 0.410 |
| WASHER THICKNESS | INCHES MINIMUM 0.045 AND INCHES MAXIMUM 0.060 |
| WIDTH ACROSS FLATS | INCHES NOMINAL 0.312 |
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
No open DIBBS/SAM solicitations with a quote date still ahead.
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.