The Hook,chain,s, cataloged under National Stock Number 4030-00-262-1570, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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 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 | 4030-00-262-1570 |
| Primary Part Number | 42H30243 |
| Item Name | Hook,chain,s |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Inside Length | 1.375 INCHES NOMINAL IN |
| Material Diameter | 0.250 INCHES NOMINAL IN |
| Style Designator | OPEN ENDS |
| Lower Loop Inside Diameter | 0.375 INCHES NOMINAL IN |
| Upper Loop Inside Diameter | 0.375 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| 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 |
NSN 4030-00-262-1570 is a Hook,chain,s, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-262-1570 has 2 manufacturer part numbers on file: 42H30243 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 506881 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2840-00-920-2593. Verify interchangeability with system specifications before substitution.
Key specifications for 42H30243: Inside Length: 1.375 INCHES NOMINAL IN; Material Diameter: 0.250 INCHES NOMINAL IN; Style Designator: OPEN ENDS; Lower Loop Inside Diameter: 0.375 INCHES NOMINAL IN. 7 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.