The Bolt,hook, cataloged under National Stock Number 5306-00-770-0409, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. 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 | 5306-00-770-0409 |
| Primary Part Number | 7700409 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From Inside of Bend to Shank End | 9.750 INCHES NOMINAL IN |
| Thread Length | 1.375 INCHES MINIMUM IN |
| Hook Inside Width | 0.750 INCHES NOMINAL IN |
| Style Designator | SQUARE BEND |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 0.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1212 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 |
NSN 5306-00-770-0409 is a Bolt,hook, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-770-0409 has 2 manufacturer part numbers on file: A3279-1 (Dcm Manufacturing, Inc.), 7700409 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5965-01-694-9150. Verify interchangeability with system specifications before substitution.
Key specifications for 7700409: Distance From Inside of Bend to Shank End: 9.750 INCHES NOMINAL IN; Thread Length: 1.375 INCHES MINIMUM IN; Hook Inside Width: 0.750 INCHES NOMINAL IN; Style Designator: SQUARE BEND. 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.