The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-406-2352, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 22 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-406-2352 |
| Primary Part Number | 5265808-003 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.2500 INCHES NOMINAL IN |
| Length | 0.4000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35, TY 1, TY 2, TY 3 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| Thread Length | 0.2500 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.1700 INCHES NOMINAL LEFT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Thread Direction | RIGHT-HAND LEFT EXTERNAL |
| Nominal Thread Size | 0.1120 INCHES RIGHT INTERNAL IN |
| Nominal Thread Size | 0.1120 INCHES LEFT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE STANDOFF |
| Thread Class | 2A LEFT EXTERNAL A |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 40 RIGHT INTERNAL |
| Thread Quantity Per Inch | 40 LEFT EXTERNAL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 STANDOFF |
| Right Projection Diameter | 0.1120 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL |
| Right Projection Length | 0.2300 INCHES MINIMUM AND 0.2700 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 5265808-003 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-406-2352 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-406-2352 has 1 manufacturer part number on file: 5265808-003 (Naval Sea Systems Command).
Key specifications for 5265808-003: Width Across Flats: 0.2500 INCHES NOMINAL IN; Length: 0.4000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35, TY 1, TY 2, TY 3 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF; Thread Length: 0.2500 INCHES NOMINAL RIGHT INTERNAL IN. 22 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.