The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-423-0892, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4010-01-423-0892 |
| Primary Part Number | 12420540 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Attachment Style | HOIST HOOK BOTH ENDS |
| Surface Treatment Document and Classification | ASTM B633,TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | PROOF COIL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE HOOK |
| Diameter | 0.250 INCHES NOMINAL STOCK IN |
| Safe Operating Load Rating | 2000.0 POUNDS NOMINAL LBS |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL CHAIN |
| Material | STEEL COMP 1010 HOOK |
| Fabrication Method | FORGED |
| 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 |
|---|---|
| 12420540 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| F007 | 5/9 Secondary reference Alloy Sling Chains, Llc Dba Asc Industries |
| 12420540 | 5/1 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 4010-01-423-0892 is a Chain Assembly,single Leg, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-423-0892 has 1 manufacturer part number on file: 12420540 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5920-01-457-9414, 6550-01-587-5232. Verify interchangeability with system specifications before substitution.
Key specifications for 12420540: Attachment Style: HOIST HOOK BOTH ENDS; Surface Treatment Document and Classification: ASTM B633,TY2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: PROOF COIL; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE HOOK. 11 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.