The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-940-8906, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-940-8906 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.668 INCHES MINIMUM AND 0.715 INCHES MAXIMUM IN |
| Internal Thread Length | 0.187 INCHES NOMINAL COUNTERBORE IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) COUNTERBORE |
| Concentric Hole Depth | 0.297 INCHES NOMINAL IN |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 0.250 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Threads Per Inch | 40 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES COUNTERBORE IN |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Shoulder Diameter | 0.187 INCHES NOMINAL IN |
| Internal Thread Class | 2B COUNTERBORE |
| Concentric Hole Diameter | 0.089 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Minimum Yield Strength | 32000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | ALUMINUM ALLOY 2017 OVERALL |
| Shoulder Length | 0.297 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 553-1652-002 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 553-1652-002 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5306-00-940-8906 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-940-8906: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.668 INCHES MINIMUM AND 0.715 INCHES MAXIMUM IN; Internal Thread Length: 0.187 INCHES NOMINAL COUNTERBORE IN; Thread Series: UNIFIED NATIONAL COARSE (UNC) COUNTERBORE. 24 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.