The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-331-0051, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 6 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 | 5340-01-331-0051 |
| Primary Part Number | 717720415-001 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.100 INCHES NOMINAL IN |
| Thread Length | 0.444 INCHES NOMINAL RIGHT EXTERNAL IN |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL COMP XM-12 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 |
|---|---|
| 717720415-001 PRIMARY | Lockheed Martin Corporation (USA) |
NSN 5340-01-331-0051 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-331-0051 has 1 manufacturer part number on file: 717720415-001 (Lockheed Martin Corporation).
Key specifications for 717720415-001: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.100 INCHES NOMINAL IN; Thread Length: 0.444 INCHES NOMINAL RIGHT EXTERNAL IN; Material Document and Classification: AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 6 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.