The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-369-4802, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. 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 | 5306-01-369-4802 |
| Primary Part Number | 6874821 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Head Height | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Fastener Length | 0.803 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN |
| Internal Thread Length | 0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM COUNTERBORE IN |
| Thread Series | UNJC COUNTERBORE |
| Concentric Hole Depth | 0.150 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 0.457 INCHES NOMINAL IN |
| Threads Per Inch | 32 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Material Document and Classification | AMS 5636 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES COUNTERBORE IN |
| Width Between Flats | 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Internal Thread Class | 3B COUNTERBORE |
| Concentric Hole Diameter | 0.1076 INCHES MINIMUM AND 0.1157 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| 6874821 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 5306-01-369-4802 is a Bolt,internally Relieved Body, manufactured by Rolls-Royce Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-369-4802 has 1 manufacturer part number on file: 6874821 (Rolls-Royce Corporation).
Key specifications for 6874821: Head Height: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN; Fastener Length: 0.803 INCHES MINIMUM AND 0.821 INCHES MAXIMUM IN; Internal Thread Length: 0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM COUNTERBORE IN; Thread Series: UNJC COUNTERBORE. 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.