The Bolt,hook, cataloged under National Stock Number 5306-01-377-0274, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-377-0274 |
| Primary Part Number | 12418479-001 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| External Thread Tolerance Class | 6G G |
| Surface Treatment Document and Classification | TT-C-490 TY1 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490 TY3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 30.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 45.0 MILLIMETERS NOMINAL MM |
| Color | GREEN OVERALL |
| Surface Treatment | PHOSPHATE ZINC OR PAINT OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 12418479-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12418479-001 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12418479-001 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12418479 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12418479 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 5306-01-377-0274 is a Bolt,hook, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-377-0274 has 3 manufacturer part numbers on file: 12418479-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12418479-001 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12418479-001 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-387-6182. Verify interchangeability with system specifications before substitution.
Key specifications for 12418479-001: External Thread Tolerance Class: 6G G; Surface Treatment Document and Classification: TT-C-490 TY1 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490 TY3 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 1.25; Thread Length: 30.0 MILLIMETERS NOMINAL MM. 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.