The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-359-4629, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 20 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 | 5306-01-359-4629 |
| Primary Part Number | PWA55154-2 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Fastener Length | 1.290 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.810 INCHES NOMINAL IN |
| Thread Length | 0.590 INCHES NOMINAL IN |
| Material Document and Classification | AISI1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.560 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1018 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 |
|---|---|
| PWA55154-2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-01-359-4629 is a Bolt,externally Relieved Body, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-359-4629 has 1 manufacturer part number on file: PWA55154-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA55154-2: Extended Washer Thickness: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.249 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN; Fastener Length: 1.290 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 20 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.