The Shackle, cataloged under National Stock Number 4030-00-133-6520, 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 10 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 | 4030-00-133-6520 |
| Primary Part Number | 10944788-6 |
| 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 | TT-C-490 FED SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 4.000 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Material Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| Opening Width | 1.750 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-633 FED SPEC 2ND MATERIAL RESPONSE |
| Locking Device Type | NUT |
| Closure Head Style | HEXAGON |
| Surface Treatment | PHOSPHATE |
| Material | STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1037 |
| 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 |
|---|---|
| 10944788-6 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4030-00-133-6520 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 4030-00-133-6520 has 1 manufacturer part number on file: 10944788-6 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10944788-6: Surface Treatment Document and Classification: TT-C-490 FED SPEC SINGLE TREATMENT RESPONSE; Inside Length: 4.000 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN; Material Diameter: 1.125 INCHES NOMINAL IN; Style Designator: ANCHOR. 10 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.