The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-527-9635, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Secs Inc. Government technical data includes 12 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 | 5340-01-527-9635 |
| Primary Part Number | EH10-28A |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Secs Inc |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Thread Tolerance Class | NTE INTERNAL RIGHT INTERNAL |
| Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL RIGHT INTERNAL IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.164 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | NC RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| EH10-28A PRIMARY | Secs Inc (USA) |
NSN 5340-01-527-9635 is a Standoff,threaded,spacing, manufactured by Secs Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-527-9635 has 1 manufacturer part number on file: EH10-28A (Secs Inc).
Key specifications for EH10-28A: Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Tolerance Class: NTE INTERNAL RIGHT INTERNAL; Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL RIGHT INTERNAL IN. 12 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.