The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-317-7395, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-317-7395 |
| Primary Part Number | 4075324 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Head Height | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Fastener Length | 1.055 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PWA586-3,CAGE77445 MFR REF SINGLE TREATMENT RESPONSE THREADS |
| Thread Length | 0.920 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.185 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.135 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4075324 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4075324 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1499175 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4075324 | 3/9 Design control — primary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
NSN 5306-01-317-7395 is a Bolt,externally Relieved Body, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-317-7395 has 2 manufacturer part numbers on file: 4075324 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4075324 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4075324: Head Height: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Fastener Length: 1.055 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PWA586-3,CAGE77445 MFR REF SINGLE TREATMENT RESPONSE THREADS; Thread Length: 0.920 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN. 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.