The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-357-0654, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-357-0654 |
| Primary Part Number | 185975 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Width Across Flats | 0.428 INCHES NOMINAL IN |
| Thread Length | 0.203 INCHES NOMINAL RIGHT EXTERNAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 185975 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 185975 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5340-00-357-0654 is a Standoff,threaded,spacing, manufactured by Telemechanics Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-357-0654 has 1 manufacturer part number on file: 185975 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-621-8791. Verify interchangeability with system specifications before substitution.
Key specifications for 185975: Width Across Flats: 0.428 INCHES NOMINAL IN; Thread Length: 0.203 INCHES NOMINAL RIGHT EXTERNAL IN. 2 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.