The Hook,release, cataloged under National Stock Number 4030-00-877-5805, 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 Mazzella Lifting Technologies, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-877-5805 |
| Primary Part Number | H44-3 |
| Item Name | Hook,release |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Mazzella Lifting Technologies, Inc. |
| Status | ACTIVE |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| 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 |
|---|---|
| H44-3 | Mazzella Lifting Technologies, Inc. (USA) |
| Y63-345100-1-12 | Gyrodyne Co of America Inc (USA) |
| Reference | Meaning |
|---|---|
| H44-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4030-00-877-5805 is a Hook,release, manufactured by Mazzella Lifting Technologies, Inc., classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-877-5805 has 2 manufacturer part numbers on file: H44-3 (Mazzella Lifting Technologies, Inc.), Y63-345100-1-12 (Gyrodyne Co of America Inc).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-303-7839. Verify interchangeability with system specifications before substitution.
Key specifications for H44-3: Surface Treatment: CADMIUM; Material: STEEL. 2 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.