The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-445-4503, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-445-4503 |
| Primary Part Number | J813P008A |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Head Height | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Fastener Length | 0.764 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Length | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Width Between Flats | 0.250 INCHES MINIMUM IN |
| Grip Diameter | 0.1880 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| J813P008A PRIMARY | General Electric Company (USA) |
NSN 5306-01-445-4503 is a Bolt,close Tolerance, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-445-4503 has 1 manufacturer part number on file: J813P008A (General Electric Company).
Key specifications for J813P008A: Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Head Height: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Fastener Length: 0.764 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN; Extended Washer Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 15 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.