The Bolt,machine, cataloged under National Stock Number 5306-01-072-3245, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fnss Savunma Sistemleri Anonim Sirketi. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-072-3245 |
| Primary Part Number | 1088557-1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fnss Savunma Sistemleri Anonim Sirketi |
| Status | ACTIVE |
| Head Height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Fastener Length | 5.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.250 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.750 INCHES NOMINAL IN |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1088557-1 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| Reference | Meaning |
|---|---|
| 1088557-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-072-3245 is a Bolt,machine, manufactured by Fnss Savunma Sistemleri Anonim Sirketi, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-072-3245 has 1 manufacturer part number on file: 1088557-1 (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 1088557-1: Head Height: 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Fastener Length: 5.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.250 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.