The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-309-8758, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-309-8758 |
| Primary Part Number | 9509C-B-0256-28 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Style Designator | PROJECTION ONE END LEFT INTERNAL THREAD |
| Diameter | 0.156 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| 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 |
|---|---|
| 9509C-B-0256-28 PRIMARY | Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares (USA) |
| Reference | Meaning |
|---|---|
| 9509C-B-0256-28 | 3/9 Design control — primary reference Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| 9509C-B-0256-28 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5340-01-309-8758 is a Standoff,threaded,spacing, manufactured by Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-309-8758 has 1 manufacturer part number on file: 9509C-B-0256-28 (Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares).
Key specifications for 9509C-B-0256-28: Length: 0.375 INCHES NOMINAL IN; Style Designator: PROJECTION ONE END LEFT INTERNAL THREAD; Diameter: 0.156 INCHES NOMINAL IN; Cross-Sectional Shape: ROUND. 4 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.