The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-692-2355, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-692-2355 |
| Primary Part Number | 898MC0591 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Width Across Flats | 4.5 MILLIMETERS NOMINAL MM |
| Length | 10.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.45 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Nominal Thread Size | 2.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL CORROSION RESISTING STANDOFF |
| Thread Series Designator | M LEFT INTERNAL (INCLUDES THRU THREAD) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 898MC0591 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| 24463 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-692-2355 is a Standoff,threaded,spacing, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-692-2355 has 1 manufacturer part number on file: 898MC0591 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
Key specifications for 898MC0591: Width Across Flats: 4.5 MILLIMETERS NOMINAL MM; Length: 10.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.45 LEFT INTERNAL (INCLUDES THRU THREAD); Style Designator: INTERNALLY THREADED FULL LENGTH. 8 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.