- FSC
- 5306Bolts
- NIIN / country
- 009126805 · International
- Unit / status
- EA · active
- Catalog unit price
- $2
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| EXTENDED WASHER DIAMETER | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.438 |
| EXTENDED WASHER THICKNESS | INCHES NOMINAL 0.069 |
| FASTENER LENGTH | INCHES NOMINAL 1.137 |
| GRIP DIAMETER | INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495 |
| GRIP LENGTH | INCHES NOMINAL 0.625 |
| HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| HEAD HEIGHT | INCHES NOMINAL 0.300 |
| MATERIAL | OVERALL STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-8503 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-5626 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 180000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416 TY 2 CL 3 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES MINIMUM 0.492 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | INCHES MINIMUM 0.304 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
SPE4A626T24ZM
DIBBS · quotes by Sep 8, 2026 · UNRESTRICTED
SPE4A626Q1371
DIBBS · quotes by Sep 11, 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.