The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-238-3219, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-238-3219 |
| Primary Part Number | 721617-291 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Left Counterbore Depth | 0.094 INCHES NOMINAL IN |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 1.000 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Left Counterbore Diameter | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGON |
| 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 |
|---|---|
| 721617-291 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| PR-366-241 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 721617-291 | 5/9 Secondary reference Interconnection Marketing ,inc. Dba Interconnection Marketing Inc Div Hobson Manufacturing |
NSN 5340-00-238-3219 is a Standoff,threaded,spacing, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-238-3219 has 1 manufacturer part number on file: 721617-291 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-314-1769. Verify interchangeability with system specifications before substitution.
Key specifications for 721617-291: Left Counterbore Depth: 0.094 INCHES NOMINAL IN; Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 1.000 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 6 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.