The Bolt,u, cataloged under National Stock Number 5306-01-221-0659, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-221-0659 |
| Primary Part Number | 25C8074 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.685 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.120 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 3.210 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1020 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 |
|---|---|
| 25C8074 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5306PL0789348 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-221-0659 is a Bolt,u, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-221-0659 has 1 manufacturer part number on file: 25C8074 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 25C8074: Inside Distance Between Shanks: 2.685 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.120 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 3.210 INCHES NOMINAL IN. 13 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.