- FSC
- 5306Bolts
- NIIN / country
- 012165691 · USA
- Unit / status
- EA · active
- Catalog unit price
- $9
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| CRITICALITY CODE JUSTIFICATION | SUPP |
| EXTENDED WASHER DIAMETER | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| EXTENDED WASHER THICKNESS | INCHES MINIMUM 0.060 AND INCHES MAXIMUM 0.070 |
| FASTENER LENGTH | INCHES MINIMUM 1.552 AND INCHES MAXIMUM 1.572 |
| GRIP DIAMETER | INCHES MINIMUM 0.2494 AND INCHES MAXIMUM 0.2499 |
| GRIP LENGTH | INCHES MINIMUM 0.868 AND INCHES MAXIMUM 0.898 |
| HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 24.0 AND ROCKWELL C MAXIMUM 35.0 |
| HEAD HEIGHT | INCHES MINIMUM 0.320 AND INCHES MAXIMUM 0.340 |
| MATERIAL | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 130000 |
| MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 85000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SPECIAL FEATURES | UNDERCUT 0.221 INCH MIN,0.231 INCH MAX DIA.; 0.050 INCH MIN,0.060 INCH MAX LENGTH |
| SUPPLEMENTARY FEATURES | FAILURE COULD RESULT IN LOSS OR DAMAGE TO VEHICLE OR WEAPONS SYSTEM, OR DEATH OR INJURY TO PERSONNEL |
| SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 32.0 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 0.533 AND INCHES MAXIMUM 0.634 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | INCHES MINIMUM 0.305 AND INCHES MAXIMUM 0.313 |
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
SPE4A626T25BQ
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.