The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-561-9273, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 5 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. 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 | 5340-01-561-9273 |
| Primary Part Number | 91115A164 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL CORROSION RESISTING 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 |
NSN 5340-01-561-9273 is a Standoff,threaded,spacing, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-561-9273 has 2 manufacturer part numbers on file: 91115A164 (Mcmaster-Carr Supply Co), 91115A535 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-578-2845. Verify interchangeability with system specifications before substitution.
Key specifications for 91115A164: Width Across Flats: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Length: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Style Designator: INTERNALLY THREADED FULL LENGTH; Cross-Sectional Shape: HEXAGON. 5 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.