The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-423-2283, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-423-2283 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Flange Diameter | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Length | 0.495 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM RIGHT INTERNAL IN |
| Style Designator | FLANGED |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.190 INCHES RIGHT INTERNAL IN |
| Specification/standard Data | 80205-NAS1129 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Class | 3B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Thread Series Designator | UNF RIGHT INTERNAL |
| 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 |
| Reference | Meaning |
|---|---|
| NAS1129 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1129C3B16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-423-2283 is a Standoff,threaded,spacing, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-423-2283: Flange Diameter: 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Length: 0.495 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Thread Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM RIGHT INTERNAL IN; Style Designator: FLANGED. 10 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.