The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-030-2129, 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 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-030-2129 |
| Primary Part Number | 8582-SS-0632-7 |
| 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 | 0.375 INCHES NOMINAL IN |
| Length | 1.250 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Cross-Sectional Shape | HEXAGON |
| 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 |
|---|---|
| 2250-632-SS-20 | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| 8582-SS-0632-7 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| EH6953-0632-1.250-SS-01 | Apex Fasteners Dba Apex Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 44-0040-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 8582-SS-0632-7 | 3/9 Design control — primary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 562320-6 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 2921027-6 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 562320-6 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
NSN 5340-01-030-2129 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 5340-01-030-2129 has 3 manufacturer part numbers on file: 2250-632-SS-20 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc), 8582-SS-0632-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), EH6953-0632-1.250-SS-01 (Apex Fasteners Dba Apex Fasteners Inc).
1 possible match (shared part number, not a government interchangeability claim): 7490-01-708-8200. Verify interchangeability with system specifications before substitution.
Key specifications for 8582-SS-0632-7: Width Across Flats: 0.375 INCHES NOMINAL IN; Length: 1.250 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Cross-Sectional Shape: HEXAGON. 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.