The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-318-8418, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-318-8418 |
| Primary Part Number | 717531200-009 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.307 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Length | 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.156 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL THREAD |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | ROUND |
| Material | ALUMINUM ALLOY 6061 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 |
|---|---|
| 717531200-009 PRIMARY | Lockheed Martin Corporation (USA) |
| 717531200-009 | Wilson's Machine Products, Inc (USA) |
NSN 5340-01-318-8418 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-318-8418 has 2 manufacturer part numbers on file: 717531200-009 (Lockheed Martin Corporation), 717531200-009 (Wilson's Machine Products, Inc).
Key specifications for 717531200-009: Width Across Flats: 0.307 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN; Length: 0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.156 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL THREAD. 7 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.