The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-523-7530, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-523-7530 |
| Primary Part Number | 91115A343 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Width Across Flats | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Length | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Thread Length | 0.500 INCHES MINIMUM RIGHT INTERNAL IN |
| Thread Length | 0.500 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | 18-8 STAINLESS STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.1900 INCHES RIGHT INTERNAL IN |
| Nominal Thread Size | 0.1900 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL CORROSION RESISTING STANDOFF |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNF RIGHT INTERNAL |
| 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 |
|---|---|
| 91115A343 PRIMARY | Mcmaster-Carr Supply Company (USA) |
| Reference | Meaning |
|---|---|
| 91115A700 | 5/1 Secondary reference Mcmaster-Carr Supply Company |
NSN 5340-01-523-7530 is a Standoff,threaded,spacing, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-523-7530 has 1 manufacturer part number on file: 91115A343 (Mcmaster-Carr Supply Company).
Key specifications for 91115A343: Width Across Flats: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Length: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN; Thread Length: 0.500 INCHES MINIMUM RIGHT INTERNAL IN; Thread Length: 0.500 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN. 19 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.