The Chain,welded, cataloged under National Stock Number 4010-00-188-8997, 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 9 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 | 4010-00-188-8997 |
| Primary Part Number | 819891 |
| Item Name | Chain,welded |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-325,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Criticality Code Justification | FEAT |
| Style Designator | TWIST LINK - SHORT |
| Material Document and Classification | QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.307 INCHES NOMINAL STOCK IN |
| Nondefinitive Spec/std Data | 1 TYPE AND C GRADE AND 5 CLASS AND 2 STYLE |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Breaking Strength | 260.000 HARNESS GROUP 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
NSN 4010-00-188-8997 is a Chain,welded, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-00-188-8997 has 2 manufacturer part numbers on file: 819891 (U S Army Tank Automotive Command Amsta-Im-Mm), 3457T61 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-032-6878. Verify interchangeability with system specifications before substitution.
Key specifications for 819891: Surface Treatment Document and Classification: QQ-Z-325,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Criticality Code Justification: FEAT; Style Designator: TWIST LINK - SHORT; Material Document and Classification: QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.