The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-495-3048, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-495-3048 |
| Primary Part Number | 2578828-001A |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Head Height | 0.140 INCHES NOMINAL IN |
| Fastener Length | 5.680 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Thread Length | 0.390 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.109 INCHES NOMINAL FIRST HOLE IN |
| Counterbore Depth | 0.040 INCHES NOMINAL IN |
| Counterbore Diameter | 0.240 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Diameter | 1.000 INCHES NOMINAL 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 |
|---|---|
| 2578828-001A PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2578828-001A | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 2578828-001A | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 2578828-001A | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
NSN 5306-00-495-3048 is a Bolt,internally Relieved Body, manufactured by Goodrich Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-495-3048 has 1 manufacturer part number on file: 2578828-001A (Goodrich Corporation).
Key specifications for 2578828-001A: Head Height: 0.140 INCHES NOMINAL IN; Fastener Length: 5.680 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN; Thread Length: 0.390 INCHES NOMINAL IN. 9 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.