The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-623-7667, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 5 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 | 5340-01-623-7667 |
| Primary Part Number | 2051-440-A-9 MOD L=.600 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Effective Length | 0.600 INCHES NOMINAL IN |
| Cross-Sectional Shape | HEXAGON |
| Material | ALUMINUM 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 |
|---|---|
| 2051-440-A-9 MOD L=.600 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| 2051-440-AL-9 MOD L=.600 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
NSN 5340-01-623-7667 is a Standoff,threaded,spacing, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-623-7667 has 2 manufacturer part numbers on file: 2051-440-A-9 MOD L=.600 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc), 2051-440-AL-9 MOD L=.600 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 2051-440-A-9 MOD L=.600: Width Across Flats: 0.188 INCHES NOMINAL IN; Style Designator: INTERNALLY THREADED FULL LENGTH; Effective Length: 0.600 INCHES NOMINAL IN; Cross-Sectional Shape: HEXAGON. 5 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.