The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-633-5256, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Richard Manno & Company Inc.. Government technical data includes 9 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-633-5256 |
| Primary Part Number | RM1115103 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Richard Manno & Company Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.1875 INCHES NOMINAL IN |
| Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.086 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
| Unit of Issue | EA |
NSN 5340-01-633-5256 is a Standoff,threaded,spacing, manufactured by Richard Manno & Company Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-633-5256 has 2 manufacturer part numbers on file: RM1115103 (Richard Manno & Company Inc.), 91115A103 (Mcmaster-Carr Supply Co).
Key specifications for RM1115103: Width Across Flats: 0.1875 INCHES NOMINAL IN; Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN; Style Designator: INTERNALLY THREADED FULL LENGTH. 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.