The Shackle, cataloged under National Stock Number 4030-00-992-4521, 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 15 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 | 4030-00-992-4521 |
| Primary Part Number | 7357964 |
| 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 | DOD-P-16232,TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 1.876 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| End Condition | PLAIN |
| Material Diameter | 0.500 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| Opening Width | 0.812 INCHES NOMINAL IN |
| Eyelet Style | ROUND PLAIN |
| Material Document and Classification | MIL-S-46172 MIL SPEC SINGLE MATERIAL RESPONSE |
| Locking Device Type | PIN W/LEAD KEYED RING |
| Features Provided | RETAINING CHAIN |
| Closure Head Style | HEXAGON |
| Surface Treatment | PHOSPHATE MANGANESE |
| Eye Inside Diameter | 0.719 INCHES NOMINAL IN |
| Material | STEEL |
| Breaking Strength | 4150.0 BELT GROUP 1 |
| 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 |
|---|---|
| 7357964 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4030-00-992-4521 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 4030-00-992-4521 has 1 manufacturer part number on file: 7357964 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7357964: Surface Treatment Document and Classification: DOD-P-16232,TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE; Inside Length: 1.876 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; End Condition: PLAIN; Material Diameter: 0.500 INCHES NOMINAL IN. 15 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.