The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-203-3138, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 9 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 | 5340-01-203-3138 |
| Primary Part Number | 247478 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Length | 0.320 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Radius | 0.030 INCHES NOMINAL IN |
| Right End Chamfer Depth | 0.100 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.1882 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| 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 |
|---|---|
| 247478 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5340-01-203-3138 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-203-3138 has 1 manufacturer part number on file: 247478 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 247478: Length: 0.320 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Radius: 0.030 INCHES NOMINAL IN; Right End Chamfer Depth: 0.100 INCHES NOMINAL IN. 9 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.