The Link,detachable, cataloged under National Stock Number 4010-00-391-0540, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4010-00-391-0540 |
| Item Name | Link,detachable |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 2 GROUP |
| Material | STEEL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED IN CHAIN SIZE |
| 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 |
|---|---|
| JL1-1-2E | 5/2 Secondary reference U.S. Government activity |
| MARKJL1 1-2E | 5/2 Secondary reference U.S. Government activity |
| 620661TABLES1T04-1T05-1T06-1T07 | 3/1 Design control — primary reference U.S. Government activity |
| MILC18295GR0UP2 | 4/1 Identification reference U.S. Government activity |
| JL1 1-2E | 5/2 Secondary reference U.S. Government activity |
NSN 4010-00-391-0540 is a Link,detachable, classified under FSC 4010, Chain and Wire Rope. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4030-00-527-8874. Verify interchangeability with system specifications before substitution.
Key specifications for 4010-00-391-0540: Nondefinitive Spec/std Data: 2 GROUP; Special Features: INTENDED FOR 1.500 IN. CHAIN; ANCHOR TO CHAIN TYPE; 9.000 IN. LG BY 5.875 IN. W OR 9.000 IN. LG BY 5.812 IN. W OR 9.125 IN. LG BY 5.688 IN. W OR 9.125 IN. LG BY 5.750 IN. W OR 9.250 IN. LG BY 5.875 IN. W; LINK 9.000 IN. LG BY 5.875 IN. W ASSEMBLED W/TAPERED PIN PEENED,ALL OTHERS ASSEMBLED W/ONE RIVET IN; Material: STEEL; Reference Number Differentiating Characteristics: AS DIFFERENTIATED IN CHAIN SIZE. 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.