The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-504-2645, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dh Instruments Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-504-2645 |
| Primary Part Number | 100495 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dh Instruments Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Length | 0.100 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.313 INCHES NOMINAL LEFT EXTERNAL IN |
| Material Document and Classification | ASTM-A108-1999 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Thread Direction | RIGHT-HAND LEFT EXTERNAL |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 100495 PRIMARY | Dh Instruments Inc. (USA) |
| 4750-3-28RAF | Standard Bolt Nut and Screw Co (USA) |
NSN 5340-01-504-2645 is a Standoff,threaded,spacing, manufactured by Dh Instruments Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-504-2645 has 2 manufacturer part numbers on file: 100495 (Dh Instruments Inc.), 4750-3-28RAF (Standard Bolt Nut and Screw Co).
Key specifications for 100495: Width Across Flats: 0.188 INCHES NOMINAL IN; Thread Length: 0.100 INCHES NOMINAL RIGHT INTERNAL IN; Thread Length: 0.313 INCHES NOMINAL LEFT EXTERNAL IN; Material Document and Classification: ASTM-A108-1999 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL. 8 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.