The Chain,welded, cataloged under National Stock Number 4010-01-477-0497, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4010-01-477-0497 |
| Primary Part Number | 5050623 |
| Item Name | Chain,welded |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Style Designator | CLOSE LINK |
| Safe Operating Load Rating | 12000.0 POUNDS NOMINAL LBS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5050623 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| 273554 | 5/9 Secondary reference The Crosby Group Llc Dba the Crosby Group |
NSN 4010-01-477-0497 is a Chain,welded, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-477-0497 has 1 manufacturer part number on file: 5050623 (The Crosby Group Llc Dba the Crosby Group).
1 possible match (shared part number, not a government interchangeability claim): 4010-01-564-0889. Verify interchangeability with system specifications before substitution.
Key specifications for 5050623: Style Designator: CLOSE LINK; Overall Length: 300.000 FEET NOMINAL FT; Safe Operating Load Rating: 12000.0 POUNDS NOMINAL LBS; Special Features: FOR OVERHEAD LIFTING APPLICATONS; HEAT TREATED ALLOY STEEL; SELF COLORED FINISH. 3 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.