The Wire Rope Assembly,single Leg, cataloged under National Stock Number 4010-01-239-2449, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4010-01-239-2449 |
| Primary Part Number | SL20528A6-7 |
| Item Name | Wire Rope Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Attachment Style | TAPERED TERMINAL ATTACHMENT FIRST END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WIRE ROPE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE TERMINAL ATTACHMENT FIRST END |
| Style Designator | 7 X 7 |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE TERMINAL ATTACHMENT FIRST END |
| Diameter | 0.060 INCHES NOMINAL ROPE IN |
| Loop Retention Method | SWAGE |
| Surface Treatment | PASSIVATE WIRE ROPE |
| Surface Treatment | ANODIZE TERMINAL ATTACHMENT FIRST END |
| Material | STEEL CORROSION RESISTING WIRE ROPE |
| Material | PLASTIC STRAND COVERING |
| Material | ALUMINUM ALLOY 6061 TERMINAL ATTACHMENT FIRST END |
| Breaking Strength | 80.0 BELT GROUP 4 |
| End Type | TERMINAL ATTACHMENT FIRST END |
| End Type | LOOP SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| SL20528A6-7 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 9D0086A6-7 | 5/2 Secondary reference U.S. Government activity |
| LT1504-A6-7 | 3/2 Design control — primary reference U.S. Government activity |
| 5340-044-0001 | 7/2 Vendor item drawing reference Textron Systems Corporation Dba Textron Systems Corp |
NSN 4010-01-239-2449 is a Wire Rope Assembly,single Leg, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-239-2449 has 1 manufacturer part number on file: SL20528A6-7 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
1 possible match (shared part number, not a government interchangeability claim): 4030-01-443-2020. Verify interchangeability with system specifications before substitution.
Key specifications for SL20528A6-7: Attachment Style: TAPERED TERMINAL ATTACHMENT FIRST END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WIRE ROPE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE TERMINAL ATTACHMENT FIRST END; Style Designator: 7 X 7. 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.