The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-510-2303, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5340-01-510-2303 |
| Primary Part Number | 3547B440B15 |
| 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 |
| Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.100 INCHES NOMINAL RIGHT INTERNAL IN |
| Style Designator | PROJECTION ONE END LEFT AND RIGHT INTERNAL THREADS |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.112 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Thread Quantity Per Inch | 40 RIGHT INTERNAL |
| Material | COPPER ALLOY STANDOFF |
| Right Projection Diameter | 0.160 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Hole Diameter | 0.150 INCHES NOMINAL IN |
| 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 |
|---|---|
| B-6002-440-105-20 | Globe Fasteners Inc (USA) |
| 51020-H-B-.105-19 | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| 3547B440B15 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
NSN 5340-01-510-2303 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 5340-01-510-2303 has 3 manufacturer part numbers on file: B-6002-440-105-20 (Globe Fasteners Inc), 51020-H-B-.105-19 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), 3547B440B15 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 3547B440B15: Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.100 INCHES NOMINAL RIGHT INTERNAL IN; Style Designator: PROJECTION ONE END LEFT AND RIGHT INTERNAL THREADS; Thread Direction: RIGHT-HAND RIGHT INTERNAL. 11 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.