The Insulator Clamp, cataloged under National Stock Number 5975-01-244-3414, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Salisbury W H and Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-244-3414 |
| Primary Part Number | HS-21 |
| Item Name | Insulator Clamp |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Salisbury W H and Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | NYLON; 9.500 IN. LG; 5.000 IN. JAW OPENING IN |
| 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 |
|---|---|
| HS-21 PRIMARY | Salisbury W H and Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1350-HS-21 | 3/1 Design control — primary reference Salisbury W H and Co Inc |
NSN 5975-01-244-3414 is a Insulator Clamp, manufactured by Salisbury W H and Co Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-244-3414 has 1 manufacturer part number on file: HS-21 (Salisbury W H and Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 7035-01-590-0840. Verify interchangeability with system specifications before substitution.
Key specifications for HS-21: General Characteristics Item Description: NYLON; 9.500 IN. LG; 5.000 IN. JAW OPENING IN; End Item Identification: 4940000895280. 1 specification is 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.