The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-357-3875, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-357-3875 |
| Primary Part Number | 4D0104-3-33 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF A |
| Thread Length | 0.330 INCHES MAXIMUM RIGHT INTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE INSERT |
| Material Document and Classification | QQ-A-22516 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.138 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PAINT STANDOFF |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Material | ALUMINUM ALLOY 2024 STANDOFF |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 384 INSERT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| 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 |
|---|---|
| 4D0104-3-33 PRIMARY | Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares (USA) |
| Reference | Meaning |
|---|---|
| 4D0104-3-33 | 3/2 Design control — primary reference U.S. Government activity |
| WSI-62-33W | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
NSN 5340-01-357-3875 is a Standoff,threaded,spacing, manufactured by Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-357-3875 has 1 manufacturer part number on file: 4D0104-3-33 (Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares).
Key specifications for 4D0104-3-33: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF A; Thread Length: 0.330 INCHES MAXIMUM RIGHT INTERNAL IN. 16 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.