- FSC
- 5306Bolts
- NIIN / country
- 016970518 · USA
- Unit / status
- — · active
- Catalog unit price
- $2
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| COUNTERSINK ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| END ITEM IDENTIFICATION | B-52AIRCRAFT |
| FASTENER LENGTH | INCHES MINIMUM 0.679 AND INCHES MAXIMUM 0.699 |
| GRIP DIAMETER | INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495 |
| GRIP LENGTH | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0 |
| HEAD DIAMETER | INCHES MINIMUM 0.464 AND INCHES MAXIMUM 0.506 |
| HOLE DIAMETER | INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086 |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP E4340 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5626 OR ASSN STD 2ND MATERIAL RESPONSE A-S6415 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-60494 |
| MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 160000 |
| NOMINAL THREAD DIAMETER | INCHES 0.250 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD |
| SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1790 |
| SURFACE TREATMENT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL2 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | INCHES NOMINAL 0.425 |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | 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.
No award rows keyed to this NSN yet.
Recent award / quote activity
No DIBBS history or USASpending cache rows for this NSN.
Open buys for this NSN
SPE4A626T26BB
DIBBS · quotes by Sep 10, 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.