The Shackle, cataloged under National Stock Number 4030-00-992-4522, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-992-4522 |
| Primary Part Number | 7357971 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | D0D-P-16232,TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 5.250 INCHES NOMINAL IN |
| End Condition | PLAIN |
| Material Diameter | 1.375 INCHES MINIMUM IN |
| Style Designator | ANCHOR |
| Opening Width | 2.125 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN |
| Locking Device Type | PIN |
| Features Provided | FORELOCK PINHOLE AND RETAINING CHAIN |
| Closure Head Style | OVAL COUNTERSINK |
| Surface Treatment | PHOSPHATE MANGANESE |
| Material | STEEL OR STEEL COMP 1141 OR STEEL COMP 1144 OR STEEL COMP 1040 OR STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1046 OR STEEL COMP 1049 |
| 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 |
|---|---|
| 7357971 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4030-00-992-4522 is a Shackle, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-992-4522 has 1 manufacturer part number on file: 7357971 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7357971: Surface Treatment Document and Classification: D0D-P-16232,TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE; Inside Length: 5.250 INCHES NOMINAL IN; End Condition: PLAIN; Material Diameter: 1.375 INCHES MINIMUM IN. 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.