The Lug,chain, cataloged under National Stock Number 4010-01-220-9244, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Insinger Machine Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4010-01-220-9244 |
| Primary Part Number | 974-A |
| Item Name | Lug,chain |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS |
| 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 |
|---|---|
| 974-A PRIMARY | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| H641NM30233 | 5/9 Secondary reference U.S. Government activity |
| 85DA-7 PIECE 4 | 5/9 Secondary reference Insinger Machine Co |
| 3285084 PIECE 4 | 5/9 Secondary reference U.S. Government activity |
| D-2017 | 5/9 Secondary reference Insinger Machine Co |
NSN 4010-01-220-9244 is a Lug,chain, manufactured by Insinger Machine Co, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-220-9244 has 1 manufacturer part number on file: 974-A (Insinger Machine Co).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-310-9925, 4810-01-465-4232. Verify interchangeability with system specifications before substitution.
Key specifications for 974-A: General Characteristics Item Description: BRASS. 1 specification is 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.