The Bolt,machine, cataloged under National Stock Number 5306-01-722-5159, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Certified Stainless Service, Inc. Dba West-Mark Div West-Mark. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-722-5159 |
| Primary Part Number | F1-0520730 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Certified Stainless Service, Inc. Dba West-Mark Div West-Mark |
| Status | ACTIVE |
| Fastener Length | 1.50 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.630 INCHES IN |
| Head Style | CHAMFER FLANGE |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | NICKEL ALLOY 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 |
|---|---|
| F1-0520730 PRIMARY | Certified Stainless Service, Inc. Dba West-Mark Div West-Mark (USA) |
NSN 5306-01-722-5159 is a Bolt,machine, manufactured by Certified Stainless Service, Inc. Dba West-Mark Div West-Mark, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-722-5159 has 1 manufacturer part number on file: F1-0520730 (Certified Stainless Service, Inc. Dba West-Mark Div West-Mark).
Key specifications for F1-0520730: Fastener Length: 1.50 INCHES NOMINAL IN; Thread Length: 1.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.630 INCHES IN; Head Style: CHAMFER FLANGE. 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.