The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-374-4674, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Emhart Industries Amatom Electronics Hardware Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-374-4674 |
| Primary Part Number | 8219-B-0632-37 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Emhart Industries Amatom Electronics Hardware Div |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| 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 |
|---|---|
| 8219-B-0632-37 PRIMARY | Emhart Industries Amatom Electronics Hardware Div (USA) |
| Reference | Meaning |
|---|---|
| 40088-8 | 7/2 Vendor item drawing reference Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
NSN 5340-01-374-4674 is a Standoff,threaded,spacing, manufactured by Emhart Industries Amatom Electronics Hardware Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-374-4674 has 1 manufacturer part number on file: 8219-B-0632-37 (Emhart Industries Amatom Electronics Hardware Div).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-499-6678. Verify interchangeability with system specifications before substitution.
Key specifications for 8219-B-0632-37: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Style Designator: INTERNALLY THREADED FULL LENGTH. 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.