The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-551-7683, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-551-7683 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 0.182 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35. TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Material Document and Classification | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.207 INCHES MINIMUM AND 0.212 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| 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 |
|---|---|
| NAS1129C64-6 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1129 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-01-551-7683 is a Standoff,threaded,spacing, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-551-7683: Length: 0.182 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35. TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: INTERNALLY THREADED FULL LENGTH; Material Document and Classification: ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.