The Bolt,assembled Washer, cataloged under National Stock Number 5306-01-477-7686, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-477-7686 |
| Primary Part Number | ST3M735-4-58 |
| Item Name | Bolt,assembled Washer |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 4.041 INCHES MINIMUM AND 4.061 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE FASTENER |
| Thread Length | 0.262 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-B-83050 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM FASTENER |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| ST3M735-4-58 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M735-4-58 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 121673-4-58 | 5/1 Secondary reference U.S. Government activity |
| ST3M735-4-58 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-477-7686 is a Bolt,assembled Washer, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-477-7686 has 2 manufacturer part numbers on file: ST3M735-4-58 (The Boeing Company Div Defense), ST3M735-4-58 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for ST3M735-4-58: Fastener Length: 4.041 INCHES MINIMUM AND 4.061 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE FASTENER; Thread Length: 0.262 INCHES MINIMUM AND 0.308 INCHES MAXIMUM 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.