The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-677-4399, 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 9 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-677-4399 |
| Primary Part Number | 19974-SS-0470-7 |
| 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 | 6.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 RIGHT EXTERNAL |
| Thread Length | 11.1 MILLIMETERS NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Cross-Sectional Length | 25.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Size | 4.0 MILLIMETERS RIGHT EXTERNAL MM |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL CORROSION RESISTING STANDOFF |
| Thread Series Designator | M RIGHT EXTERNAL |
| Right Projection Length | 9.53 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 19974-SS-0470-7 PRIMARY | Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares (USA) |
NSN 5340-01-677-4399 is a Standoff,threaded,spacing, manufactured by Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-677-4399 has 1 manufacturer part number on file: 19974-SS-0470-7 (Carey Manufacturing Company, Inc. Dba Amatom Electronic Hardwares).
Key specifications for 19974-SS-0470-7: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7 RIGHT EXTERNAL; Thread Length: 11.1 MILLIMETERS NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) MM; Cross-Sectional Length: 25.0 MILLIMETERS NOMINAL MM. 9 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.