The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-231-7643, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4010-01-231-7643 |
| Primary Part Number | 168-5749302-21 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attachment Style | OFFSET BEAD CHAIN BOTH ENDS |
| Style Designator | BEAD |
| Diameter | 0.188 INCHES NOMINAL BEAD IN |
| Specification/standard Data | 80205-NAS1201 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Quantity Per Unit of Measure | 50 PER FOOT |
| Material | STEEL CORROSION RESISTING OVERALL |
| Fabrication Method | FORMED |
| Breaking Strength | ERR-060 |
| 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 |
|---|---|
| 168-5749302-21 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| NAS1201C10B30B | 5/2 Secondary reference U.S. Government activity |
| 5749302A-021 | 5/9 Secondary reference Textron Systems Corp |
NSN 4010-01-231-7643 is a Chain Assembly,single Leg, manufactured by Naval Sea Systems Command, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-231-7643 has 1 manufacturer part number on file: 168-5749302-21 (Naval Sea Systems Command).
Key specifications for 168-5749302-21: Attachment Style: OFFSET BEAD CHAIN BOTH ENDS; Style Designator: BEAD; Diameter: 0.188 INCHES NOMINAL BEAD IN; Overall Length: 1.344 FEET NOMINAL FT. 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.