The Shackle, cataloged under National Stock Number 4030-00-270-5481, 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 Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-270-5481 |
| Primary Part Number | 6375147-3 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inside Length | 1.688 INCHES NOMINAL IN |
| End Condition | THREADED |
| Material Diameter | 0.438 INCHES NOMINAL IN |
| Style Designator | ANCHOR |
| Opening Width | 0.719 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE |
| Closure Head Style | SHOULDER EYE |
| Material | STEEL CORROSION RESISTING |
| Breaking Strength | 0850.0 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 |
|---|---|
| 6375147-3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-17280 | 4/1 Identification reference U.S. Government activity |
| 6375147 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4030-00-270-5481 is a Shackle, manufactured by Naval Sea Systems Command, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-270-5481 has 1 manufacturer part number on file: 6375147-3 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4030-00-270-5482, 4030-00-270-5484. Verify interchangeability with system specifications before substitution.
Key specifications for 6375147-3: Inside Length: 1.688 INCHES NOMINAL IN; End Condition: THREADED; Material Diameter: 0.438 INCHES NOMINAL IN; Style Designator: ANCHOR. 9 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.