The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-294-2351, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-294-2351 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Width Across Flats | 0.3800 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | WESTON MI 5-28, CAGEC 94271 MFR REF SINGLE TREATMENT RESPONSE STANDOFF |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.1900 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Departure From Cited Document | SPECIAL QUALITY CONTROL TESTING |
| Cross-Sectional Shape | RECTANGULAR |
| Surface Treatment | PASSIVATE STANDOFF |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 24 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL COMP 303 STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 128363-1 | 3/1 Design control — primary reference U.S. Government activity |
| LL-HQ6-1235 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5340-01-294-2351 is a Standoff,threaded,spacing, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-560-6209. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-294-2351: Width Across Flats: 0.3800 INCHES NOMINAL IN; Surface Treatment Document and Classification: WESTON MI 5-28, CAGEC 94271 MFR REF SINGLE TREATMENT RESPONSE STANDOFF; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF. 14 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.