The Chain Assembly,single Leg, cataloged under National Stock Number 4010-00-962-4725, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Hapco, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4010-00-962-4725 |
| Primary Part Number | 9M180A1-110 |
| Item Name | Chain Assembly,single Leg |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Hapco, Inc |
| Status | ACTIVE |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE ALL ATTACHMENTS |
| Surface Treatment | PASSIVATE ALL ATTACHMENTS |
| Surface Treatment | PASSIVATE CHAIN |
| Material | STEEL CORROSION RESISTING ALL ATTACHMENTS |
| Material | STEEL CORROSION RESISTING CHAIN |
| End Type | TERMINAL ATTACHMENT BOTH ENDS |
| Thickness | 0.023 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9M180A1-110 PRIMARY | Hapco, Inc (USA) |
| Reference | Meaning |
|---|---|
| M180A1-110 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| BACC19B6-120 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| RS280-120 | 5/9 Secondary reference U.S. Government activity |
| 9M180A1-110 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| 9M180A1-110 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4010-00-962-4725 is a Chain Assembly,single Leg, manufactured by Hapco, Inc, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-00-962-4725 has 1 manufacturer part number on file: 9M180A1-110 (Hapco, Inc).
Key specifications for 9M180A1-110: Material Document and Classification: QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE ALL ATTACHMENTS; Overall Length: 0.979 FEET MINIMUM AND 1.020 FEET MAXIMUM FT; Surface Treatment: PASSIVATE ALL ATTACHMENTS; Surface Treatment: PASSIVATE CHAIN. 7 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.