The Bolt,u, cataloged under National Stock Number 5306-01-026-5772, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Chas. O. Larson Co. Dba Larson Hardware Manufacturing. 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 | 5306-01-026-5772 |
| Primary Part Number | A-3/8IN |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Chas. O. Larson Co. Dba Larson Hardware Manufacturing |
| Status | ACTIVE |
| Inside Distance Between Shanks | 1.750 INCHES NOMINAL IN |
| Thread Length | 1.625 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 2.875 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| A-3/8IN PRIMARY | Chas. O. Larson Co. Dba Larson Hardware Manufacturing (USA) |
NSN 5306-01-026-5772 is a Bolt,u, manufactured by Chas. O. Larson Co. Dba Larson Hardware Manufacturing, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-026-5772 has 1 manufacturer part number on file: A-3/8IN (Chas. O. Larson Co. Dba Larson Hardware Manufacturing).
Key specifications for A-3/8IN: Inside Distance Between Shanks: 1.750 INCHES NOMINAL IN; Thread Length: 1.625 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 2.875 INCHES NOMINAL IN; Style Designator: ROUND BEND. 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.