The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-509-7428, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 14 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 | 5340-01-509-7428 |
| Primary Part Number | 14090-H-SS-.750-12-SLD |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.313 INCHES NOMINAL IN |
| Length | 0.750 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 8.000 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 8.000 INCHES RIGHT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Right Projection Diameter | 8.000 INCHES NOMINAL IN |
| Right Projection Length | 0.438 INCHES NOMINAL IN |
| 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 |
|---|---|
| 14090-H-SS-.750-12-SLD PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5340-01-509-7428 is a Standoff,threaded,spacing, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-7428 has 1 manufacturer part number on file: 14090-H-SS-.750-12-SLD (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 14090-H-SS-.750-12-SLD: Width Across Flats: 0.313 INCHES NOMINAL IN; Length: 0.750 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD; Thread Direction: RIGHT-HAND RIGHT EXTERNAL. 14 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.