The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-243-6552, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-243-6552 |
| Primary Part Number | 4164650-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Width Across Flats | 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582, TYPE 303SE ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OR STEEL COMP 303SE 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 |
|---|---|
| 4164650-1 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| NAS1831 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1831-4C06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-243-6552 is a Standoff,threaded,spacing, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-243-6552 has 1 manufacturer part number on file: 4164650-1 (Raytheon Company Div Rmd Strategic).
Key specifications for 4164650-1: Width Across Flats: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; 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.