The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-659-0644, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-659-0644 |
| Primary Part Number | 91115A167 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Length | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Right End Chamfer Depth | 0.25 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | ATSM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Width Between Flats | 0.224 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGON |
| Left End Chamfer Depth | 0.25 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 91115A167 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ATSM A582 | 5/1 Secondary reference U.S. Government activity |
NSN 5340-01-659-0644 is a Standoff,threaded,spacing, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-659-0644 has 1 manufacturer part number on file: 91115A167 (Mcmaster-Carr Supply Co).
Key specifications for 91115A167: Length: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN; Right End Chamfer Depth: 0.25 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS; Material Document and Classification: ATSM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.