The Chain Assembly,single Leg, cataloged under National Stock Number 4010-01-248-9816, 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 Boeing Company Div Defense. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4010-01-248-9816 |
| Primary Part Number | 9M180A4-21 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | NAS1455A00 ASSN STD SINGLE TREATMENT RESPONSE CHAIN |
| Style Designator | SAFETY-PLUMBERS |
| Material Document and Classification | NAS1455A00 ASSN STD SINGLE MATERIAL RESPONSE CHAIN |
| Surface Treatment | ANODIZE CHAIN |
| Material | STEEL FIRST END |
| Material | ALUMINUM CHAIN |
| Material | STEEL CORROSION RESISTING OR COPPER ALLOY SECOND END |
| 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 |
|---|---|
| 9M180A4-21 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4010-01-248-9816 is a Chain Assembly,single Leg, manufactured by The Boeing Company Div Defense, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-01-248-9816 has 1 manufacturer part number on file: 9M180A4-21 (The Boeing Company Div Defense).
Key specifications for 9M180A4-21: Surface Treatment Document and Classification: NAS1455A00 ASSN STD SINGLE TREATMENT RESPONSE CHAIN; Style Designator: SAFETY-PLUMBERS; Material Document and Classification: NAS1455A00 ASSN STD SINGLE MATERIAL RESPONSE CHAIN; Overall Length: 0.188 FEET NOMINAL FT. 8 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.