The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-357-3874, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-357-3874 |
| Primary Part Number | 4D0104-3-30 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 3.000 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND HOLE PERPENDICULAR TO AXIS |
| Nominal Thread Size | 0.138 INCHES HOLE PERPENDICULAR TO AXIS IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Quantity Per Inch | 32 HOLE PERPENDICULAR TO AXIS |
| Material | ALUMINUM ALLOY 2024 STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) HOLE PERPENDICULAR TO AXIS |
| 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 |
|---|---|
| 4D0104-3-30 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 4D0104-3-30 | 5/2 Secondary reference U.S. Government activity |
| WSI-62-30W | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
NSN 5340-01-357-3874 is a Standoff,threaded,spacing, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-357-3874 has 1 manufacturer part number on file: 4D0104-3-30 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 4D0104-3-30: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 3.000 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Material Document and Classification: QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF. 10 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.