The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-447-5667, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-447-5667 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Width Across Flats | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Length | 0.327 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-13924, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.6 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Length | 0.250 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 0.236 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | TWO SHOULDERS LEFT INTERNAL AND RIGHT EXTERNAL THREADS |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 3.5 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Nominal Thread Size | 0.138 INCHES RIGHT EXTERNAL IN |
| Second Shoulder Length | 0.060 INCHES NOMINAL IN |
| Cross-Sectional Shape | HEXAGON |
| Shoulder Width Across Flats | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | STEEL COMP 12L14 OVERALL |
| Second Shoulder Diameter | 0.183 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN |
| Shoulder Length | 0.267 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| Thread Series Designator | M LEFT INTERNAL (INCLUDES THRU THREAD) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 0N632795-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-447-5667 is a Standoff,threaded,spacing, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-447-5667: Width Across Flats: 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Length: 0.327 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 0.6 LEFT INTERNAL (INCLUDES THRU THREAD). 23 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.
NSN 5340-01-447-5667 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.