The Bolt,u, cataloged under National Stock Number 5306-01-186-0635, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-186-0635 |
| Primary Part Number | 01857 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Inside Distance Between Shanks | 1.688 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 2.438 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 01857 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| DWG 382233-1 5/16-18NC-2A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-186-0635 is a Bolt,u, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-186-0635 has 1 manufacturer part number on file: 01857 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 3460-01-411-5680. Verify interchangeability with system specifications before substitution.
Key specifications for 01857: Inside Distance Between Shanks: 1.688 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 2.438 INCHES NOMINAL IN; Style Designator: ROUND BEND. 10 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.