The Shackle, cataloged under National Stock Number 4030-01-026-0949, 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 Northrop Grumman Systems Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-026-0949 |
| Primary Part Number | 123WM10301-1 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Inside Length | 3.875 INCHES MINIMUM AND 3.876 INCHES MAXIMUM IN |
| Material Diameter | 0.594 INCHES NOMINAL IN |
| Style Designator | ANTITOPPLING |
| Opening Width | 0.762 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| 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 |
|---|---|
| 123WM10301-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123WM10301-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4030-01-026-0949 is a Shackle, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-026-0949 has 1 manufacturer part number on file: 123WM10301-1 (Northrop Grumman Systems Corporation).
Key specifications for 123WM10301-1: Inside Length: 3.875 INCHES MINIMUM AND 3.876 INCHES MAXIMUM IN; Material Diameter: 0.594 INCHES NOMINAL IN; Style Designator: ANTITOPPLING; Opening Width: 0.762 INCHES MINIMUM AND 0.772 INCHES MAXIMUM IN. 5 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.