The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-066-4602, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-066-4602 |
| Primary Part Number | 300R500H01 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 0.966 INCHES NOMINAL0.966 INCHES NOMINAL IN |
| Thread Length | 0.440 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.440 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL THREADLEFT INTERNAL THREAD |
| Material Document and Classification | QQ-S-631, COMP 1008 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-631, COMP 1008 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUNDROUND |
| Material | STEEL COMP 1008 OVERALLSTEEL COMP 1008 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 |
|---|---|
| 300R500H01 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 300R500H01 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-066-4602 is a Standoff,threaded,spacing, manufactured by Westinghouse Electric Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-066-4602 has 1 manufacturer part number on file: 300R500H01 (Westinghouse Electric Corp).
Key specifications for 300R500H01: Length: 0.966 INCHES NOMINAL0.966 INCHES NOMINAL IN; Thread Length: 0.440 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.440 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Style Designator: LEFT INTERNAL THREADLEFT INTERNAL THREAD; Material Document and Classification: QQ-S-631, COMP 1008 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-S-631, COMP 1008 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.