The Rope,wire, cataloged under National Stock Number 4010-01-447-1481, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Loos & Co Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4010-01-447-1481 |
| Primary Part Number | SZ12577 |
| Item Name | Rope,wire |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Loos & Co Inc |
| Status | ACTIVE |
| Core Construction | WIRE |
| Diameter | 0.250 INCHES NOMINAL STRAND IN |
| Prefabrication Form | PREFORMED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Breaking Strength | 360.0 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 |
NSN 4010-01-447-1481 is a Rope,wire, manufactured by Loos & Co Inc, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-447-1481 has 3 manufacturer part numbers on file: SZ12577 (Loos & Co Inc), 8908T662 (Mcmaster-Carr Supply Co), F6222 (Langendijk Egbert Dba Langendijk Appraisals).
2 possible matches (shared part number, not a government interchangeability claim): 4010-01-564-6583, 5980-01-675-2337. Verify interchangeability with system specifications before substitution.
Key specifications for SZ12577: Core Construction: WIRE; Diameter: 0.250 INCHES NOMINAL STRAND IN; Prefabrication Form: PREFORMED; Special Features: 7 BY 7 STRAND CORE. 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.