The Bolt,tee Head, cataloged under National Stock Number 5306-01-554-1556, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-554-1556 |
| Primary Part Number | 25157227 |
| Item Name | Bolt,tee Head |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales |
| Status | ACTIVE |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 1 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.562 INCHES NOMINAL IN |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 25157227 | Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS) |
| Reference | Meaning |
|---|---|
| 43RU1596P4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-554-1556 is a Bolt,tee Head, manufactured by Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-554-1556 has 1 manufacturer part number on file: 25157227 (Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales).
Key specifications for 25157227: Fastener Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: TEE NO. 1. 11 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.