The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-407-7217, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eldec Aerospace Corp. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-407-7217 |
| Primary Part Number | 4-526028-01 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Flange Width Across Flats | 0.2500 INCHES NOMINAL IN |
| Width Across Flats | 0.2500 INCHES NOMINAL IN |
| Thread Tolerance Class | 6H INTERNAL RIGHT INTERNAL |
| Length | 0.4200 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| Flange Thickness | 0.0900 INCHES NOMINAL IN |
| Thread Length | 0.3500 INCHES NOMINAL RIGHT INTERNAL IN |
| Style Designator | FLANGED LEFT INTERNAL THREAD |
| Nominal Thread Size | 2.5 MILLIMETERS RIGHT INTERNAL MM |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE STANDOFF |
| 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 |
|---|---|
| 4-526028-01 PRIMARY | Eldec Aerospace Corp (USA) |
NSN 5340-01-407-7217 is a Standoff,threaded,spacing, manufactured by Eldec Aerospace Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-407-7217 has 1 manufacturer part number on file: 4-526028-01 (Eldec Aerospace Corp).
Key specifications for 4-526028-01: Flange Width Across Flats: 0.2500 INCHES NOMINAL IN; Width Across Flats: 0.2500 INCHES NOMINAL IN; Thread Tolerance Class: 6H INTERNAL RIGHT INTERNAL; Length: 0.4200 INCHES MINIMUM AND 0.4600 INCHES MAXIMUM IN. 11 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.