The Shackle, cataloged under National Stock Number 4030-01-162-2631, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-162-2631 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE |
| Inside Length | 3.438 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN |
| End Condition | THREADED |
| Material Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 1.938 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | FORELOCK PINHOLE |
| Closure Head Style | SHOULDER EYE |
| Surface Treatment | ZINC |
| Material | STEEL |
| Breaking Strength | ERR-060 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| RR-C-271 | 4/1 Identification reference U.S. Government activity |
| NAS1043-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4030-01-162-2631 is a Shackle, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
Key specifications for 4030-01-162-2631: Surface Treatment Document and Classification: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE; Inside Length: 3.438 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN; End Condition: THREADED; Material Diameter: 1.250 INCHES NOMINAL IN. 12 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.