The Wire Rope Assembly,single Leg, cataloged under National Stock Number 4010-01-120-9473, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Winchester Machine Co Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4010-01-120-9473 |
| Primary Part Number | WM274-380 |
| Item Name | Wire Rope Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Winchester Machine Co Inc |
| Status | ACTIVE |
| Attachment Style | SINGLE SHANK TERMINAL ATTACHMENT FIRST END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WIRE ROPE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE ALL ATTACHMENTS |
| Core Construction | WIRE |
| Style Designator | 7 X 19 |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES ALL ATTACHMENTS |
| Material Document and Classification | MIL-W-83420,TY 1,COMP B MIL SPEC SINGLE MATERIAL RESPONSE WIRE ROPE |
| Material Document and Classification | MIL-W-83420,COMP B MIL SPEC SINGLE MATERIAL RESPONSE CORE |
| Diameter | 0.156 INCHES NOMINAL ROPE IN |
| Lay Method | RIGHT REGULAR ALL LAYERS |
| Prefabrication Form | PREFORMED |
| Surface Treatment | PASSIVATE ALL ATTACHMENTS |
| Surface Treatment | PASSIVATE WIRE ROPE |
| Breaking Strength | 400.000 BELT GROUP 2 |
| End Type | TERMINAL ATTACHMENT BOTH ENDS |
| 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 |
|---|---|
| WM274-380 PRIMARY | Winchester Machine Co Inc (USA) |
| 54A417-380 PRIMARY | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| ST7M274-380 | Continental Cable, Llc (USA) |
| Reference | Meaning |
|---|---|
| WM274-380 | 5/9 Secondary reference Continental Cable, Llc |
| 10106059 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M274-380 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4010-01-120-9473 is a Wire Rope Assembly,single Leg, manufactured by Winchester Machine Co Inc, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-120-9473 has 3 manufacturer part numbers on file: WM274-380 (Winchester Machine Co Inc), 54A417-380 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc), ST7M274-380 (Continental Cable, Llc).
Key specifications for WM274-380: Attachment Style: SINGLE SHANK TERMINAL ATTACHMENT FIRST END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WIRE ROPE; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE ALL ATTACHMENTS; Core Construction: WIRE. 15 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.