The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-757-5624, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-757-5624 |
| Primary Part Number | 2578585-001A |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 3.931 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | CP-0400 TYPE 2 FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.556 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | CE-0896 FSCM 06848 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.240 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.873 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.400 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 280000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Shoulder Length | 3.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.744 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 2578585-001A PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2578585-001A | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
| 2578585-001A | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2578585-001A | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 5306-00-757-5624 is a Bolt,internally Relieved Body, manufactured by Goodrich Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-757-5624 has 1 manufacturer part number on file: 2578585-001A (Goodrich Corporation).
Key specifications for 2578585-001A: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 3.931 INCHES NOMINAL IN; Surface Treatment Document and Classification: CP-0400 TYPE 2 FSCM 06848 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.556 INCHES MINIMUM IN. 21 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.