The Stop,mechanical, cataloged under National Stock Number 5340-01-352-6432, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Westest Engineering Corporation Dba Westest. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-352-6432 |
| Primary Part Number | 1000122 |
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Westest Engineering Corporation Dba Westest |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Design Type | STRAIGHT |
| Material Document and Classification | ALLOY 6061, T6 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | CHROMATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 6061 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1000122 PRIMARY | Westest Engineering Corporation Dba Westest (USA) |
| Reference | Meaning |
|---|---|
| 1000122-1 | 5/9 Secondary reference Westest Engineering Corporation Dba Westest |
NSN 5340-01-352-6432 is a Stop,mechanical, manufactured by Westest Engineering Corporation Dba Westest, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-352-6432 has 1 manufacturer part number on file: 1000122 (Westest Engineering Corporation Dba Westest).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-538-4360. Verify interchangeability with system specifications before substitution.
Key specifications for 1000122: Overall Height: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE; Design Type: STRAIGHT; Material Document and Classification: ALLOY 6061, T6 ASSN STD SINGLE MATERIAL RESPONSE. 9 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.