The Harness,mountain Climbing-Rescue, cataloged under National Stock Number 4240-01-538-2931, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Black Diamond Equipment, Ltd. Inc. Dba Black Diamond Equipment, Ltd.. The record lists 1 manufacturer part number 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 | 4240-01-538-2931 |
| Primary Part Number | 660012 |
| Item Name | Harness,mountain Climbing-Rescue |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Black Diamond Equipment, Ltd. Inc. Dba Black Diamond Equipment, Ltd. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 660012 PRIMARY | Black Diamond Equipment, Ltd. Inc. Dba Black Diamond Equipment, Ltd. (USA) |
NSN 4240-01-538-2931 is a Harness,mountain Climbing-Rescue, manufactured by Black Diamond Equipment, Ltd. Inc. Dba Black Diamond Equipment, Ltd., classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-538-2931 has 1 manufacturer part number on file: 660012 (Black Diamond Equipment, Ltd. Inc. Dba Black Diamond Equipment, Ltd.).
1 possible match (shared part number, not a government interchangeability claim): 3460-01-574-3751. Verify interchangeability with system specifications before substitution.
Key specifications for 660012: Special Features: FULLY ADJUSTABLE IN SIZE AND ANATOMICALLY CURVED TO OFFER SOLID COMFORTWILL HOLD A SICK RACK OF TRAD GEAR; Part Name Assigned by Controlling Agency: PADDED GEAR SLING. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.