The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-079-0421, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 3 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 | 4010-01-079-0421 |
| Primary Part Number | 3016909 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Style Designator | BEAD |
| Diameter | 0.125 INCHES NOMINAL BEAD IN |
| 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 |
|---|---|
| 3016909 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 3224123 ITEM 3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4010-01-079-0421 is a Chain Assembly,single Leg, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-079-0421 has 2 manufacturer part numbers on file: 3016909 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3224123 ITEM 3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-172-3505. Verify interchangeability with system specifications before substitution.
Key specifications for 3016909: Style Designator: BEAD; Diameter: 0.125 INCHES NOMINAL BEAD IN; Overall Length: 0.375 FEET MINIMUM AND 0.416 FEET MAXIMUM FT; End Type: TERMINAL ATTACHMENT BOTH ENDS. 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.