The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-631-8280, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Houston Precision Fasteners I Lp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Houston Precision Fasteners I Lp (CAGE 1VSL7); Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (CAGE 1GP79); Click Bond Inc (CAGE 66530) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-631-8280 |
| Primary Part Number | JSFB10-4-21G |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Houston Precision Fasteners I Lp |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFB10-4-21G PRIMARY | Houston Precision Fasteners I Lp (USA) |
| JSFB10-4-21G PRIMARY | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| JSFB10-4-21G PRIMARY | Click Bond Inc (USA) |
| Reference | Meaning |
|---|---|
| JSFB10-4-21G | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5306-01-631-8280 is a Bolt,internal Wrenching, manufactured by Houston Precision Fasteners I Lp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-631-8280 has 3 manufacturer part numbers on file: JSFB10-4-21G (Houston Precision Fasteners I Lp), JSFB10-4-21G (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona), JSFB10-4-21G (Click Bond Inc).
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.