The Bolt,machine, cataloged under National Stock Number 5306-01-564-3371, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-564-3371 |
| Primary Part Number | 70400-38159-108 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Head Height | 0.485 INCHES NOMINAL IN |
| Fastener Length | 8.235 INCHES NOMINAL IN |
| Special Test Features | PART IS SERIALIZED FLIGHT SFETY;REQUIRES QUALITY TEST AND DATA TEST PER SS9211 |
| Thread Length | 7.115 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 7.115 INCHES NOMINAL IN |
| Width Between Flats | 1.252 INCHES NOMINAL IN |
| Locking Feature | DETENT BALL LOCKING FEATURE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | COBALT COMP MP-35-N OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 70400-38159-108 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| AS621-108 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-564-3371 is a Bolt,machine, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-564-3371 has 1 manufacturer part number on file: 70400-38159-108 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70400-38159-108: Head Height: 0.485 INCHES NOMINAL IN; Fastener Length: 8.235 INCHES NOMINAL IN; Special Test Features: PART IS SERIALIZED FLIGHT SFETY;REQUIRES QUALITY TEST AND DATA TEST PER SS9211; Thread Length: 7.115 INCHES NOMINAL IN. 16 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.