The Chain,weldless, cataloged under National Stock Number 4010-00-663-4991, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4010-00-663-4991 |
| Item Name | Chain,weldless |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Status | ACTIVE |
| Style Designator | SAFETY-PLUMBERS |
| Specification/standard Data | 81348-RR-C-271 GOVERNMENT SPECIFICATION |
| Departure From Cited Document | AS MODIFIED BY SURFACE TREAT. |
| Nondefinitive Spec/std Data | 2 TYPE AND 6 CLASS AND BRASS MATERIAL AND 0 SIZE |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY OVERALL |
| Breaking Strength | 10.000 HARNESS GROUP 1 |
| 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 |
| Reference | Meaning |
|---|---|
| RR-C-271 | 4/1 Identification reference U.S. Government activity |
| SAFETY CHAIN 1/0BRASS 100.0FEET | 5/9 Secondary reference Acco Industries Inc Sub of Babcock Intl Inc |
| 1/0 SAFETY CHAINBRASS 100.0FEET | 5/9 Secondary reference U.S. Government activity |
| RR-C-271TYPE2CLASS6 SIZE 0 BRASS | 5/1 Secondary reference U.S. Government activity |
| SAFETY CHAIN 1/0BRASS 100.0FEETA | 3/9 Design control — primary reference Airdale Express Llc Div Airdale Express |
NSN 4010-00-663-4991 is a Chain,weldless, classified under FSC 4010, Chain and Wire Rope. Status: active.
Key specifications for 4010-00-663-4991: Style Designator: SAFETY-PLUMBERS; Overall Length: 100.000 FEET MINIMUM FT; Specification/standard Data: 81348-RR-C-271 GOVERNMENT SPECIFICATION; Departure From Cited Document: AS MODIFIED BY SURFACE TREAT.. 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.