The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-286-5434, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 18 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 | 5306-01-286-5434 |
| Primary Part Number | 647-3270-001 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Head Height | 0.190 INCHES NOMINAL IN |
| Fastener Length | 0.381 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE |
| Internal Thread Direction | RIGHT-HAND CONCENTRIC HOLE |
| Thread Length | 0.320 INCHES MINIMUM IN |
| Threads Per Inch | 32 CONCENTRIC HOLE |
| Style Designator | CONCENTRIC HOLE THREADED |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES CONCENTRIC HOLE IN |
| Width Between Flats | 0.312 INCHES NOMINAL IN |
| Internal Thread Class | 2B CONCENTRIC HOLE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 647-3270-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5306-01-286-5434 is a Bolt,internally Relieved Body, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-286-5434 has 1 manufacturer part number on file: 647-3270-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 647-3270-001: Head Height: 0.190 INCHES NOMINAL IN; Fastener Length: 0.381 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE; Internal Thread Direction: RIGHT-HAND CONCENTRIC HOLE. 18 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.