The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-275-3495, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Avionics Specialties, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-275-3495 |
| Primary Part Number | 123-1347 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Avionics Specialties, Inc. |
| Status | ACTIVE |
| Smaller Groove Diameter | 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.334 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Groove Diameter | 0.180 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Distance From End to Groove | 0.060 INCHES NOMINAL IN |
| Style Designator | GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582, TYPE 303SE ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Smaller Groove Width | 0.060 INCHES NOMINAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Groove Width | 0.277 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 123-1347 PRIMARY | Avionics Specialties, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10163939 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-275-3495 is a Standoff,threaded,spacing, manufactured by Avionics Specialties, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-275-3495 has 1 manufacturer part number on file: 123-1347 (Avionics Specialties, Inc.).
Key specifications for 123-1347: Smaller Groove Diameter: 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN; Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.334 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 15 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.