The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-247-2889, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Modern Machine Works, Inc. Dba Modern Machine Works. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-247-2889 |
| Primary Part Number | 721502-2 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Modern Machine Works, Inc. Dba Modern Machine Works |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.560 INCHES NOMINAL IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| 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 |
|---|---|
| 721502-2 | Modern Machine Works, Inc. Dba Modern Machine Works (USA) |
| PR379-52F3C | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 721502-2 | 5/9 Secondary reference Interconnection Marketing ,inc. Dba Interconnection Marketing Inc Div Hobson Manufacturing |
| 721502-2 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| PR379-52F3C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-247-2889 is a Standoff,threaded,spacing, manufactured by Modern Machine Works, Inc. Dba Modern Machine Works, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-247-2889 has 2 manufacturer part numbers on file: 721502-2 (Modern Machine Works, Inc. Dba Modern Machine Works), PR379-52F3C (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for 721502-2: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.560 INCHES NOMINAL IN; Style Designator: INTERNALLY THREADED FULL LENGTH; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 7 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.