The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-079-6936, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Leonardo S.p.a. Div Electronics. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-079-6936 |
| Primary Part Number | 312839-2 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Leonardo S.p.a. Div Electronics |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Length | 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Groove Diameter | 0.200 INCHES MINIMUM0.200 INCHES MINIMUM IN |
| Thread Length | 0.210 INCHES NOMINAL RIGHT EXTERNAL0.210 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 0.590 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.590 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Material Document and Classification | QQ-S-764, CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-764, CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGONHEXAGON |
| Surface Treatment | PASSIVATE OVERALLPASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALLSTEEL COMP 303 OVERALL |
| Groove Width | 0.090 INCHES MAXIMUM0.090 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 312839-2 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| 312839-2 | 5/9 Secondary reference Fiar Fabbrica Italiana Apparecchiature Radioelettriche Spa |
| 312839-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-079-6936 is a Standoff,threaded,spacing, manufactured by Leonardo S.p.a. Div Electronics, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-079-6936 has 1 manufacturer part number on file: 312839-2 (Leonardo S.p.a. Div Electronics).
Key specifications for 312839-2: Width Across Flats: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; Length: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Groove Diameter: 0.200 INCHES MINIMUM0.200 INCHES MINIMUM IN. 11 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.