The Bolt,machine, cataloged under National Stock Number 5306-01-436-6466, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-436-6466 |
| Primary Part Number | 125646-4 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM IN |
| Fastener Length | 2.260 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.525 INCHES NOMINAL IN |
| Material Document and Classification | A286 AMS5731 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.750 INCHES NOMINAL IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Locking Feature | RETAINER GRIP |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 180 MEGAPASCALS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 125646-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 20-104-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5306-01-436-6466 is a Bolt,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-436-6466 has 1 manufacturer part number on file: 125646-4 (Sps Technologies, Llc Dba PB Fasteners).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-610-1731. Verify interchangeability with system specifications before substitution.
Key specifications for 125646-4: Head Height: 0.125 INCHES MINIMUM IN; Fastener Length: 2.260 INCHES MINIMUM AND 2.290 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 MIL SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.525 INCHES NOMINAL IN. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.