The Spacer,ring, cataloged under National Stock Number 5365-01-025-7578, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Mirion Technologies (ist) Corporation Dba Mirion Technologies Ist Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-025-7578 |
| Primary Part Number | 42-1534 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Mirion Technologies (ist) Corporation Dba Mirion Technologies Ist Corp |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Special Test Features | SPECIAL QUALITY CONTROL TESTING |
| Outside Diameter | 3.390 INCHES NOMINAL IN |
| Material Document and Classification | TYPE F CAGE 04804 MFR REF SINGLE MATERIAL RESPONSE |
| Inside Diameter | 3.000 INCHES NOMINAL IN |
| Test Data Document | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42-1534 PRIMARY | Mirion Technologies (ist) Corporation Dba Mirion Technologies Ist Corp (USA) |
| Reference | Meaning |
|---|---|
| 42-1534-1 | 5/9 Secondary reference Westinghouse Electric Corp Industrial and Government Tube Div |
NSN 5365-01-025-7578 is a Spacer,ring, manufactured by Mirion Technologies (ist) Corporation Dba Mirion Technologies Ist Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-025-7578 has 1 manufacturer part number on file: 42-1534 (Mirion Technologies (ist) Corporation Dba Mirion Technologies Ist Corp).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-490-4088. Verify interchangeability with system specifications before substitution.
Key specifications for 42-1534: Surface Finish: 63.0 MICROINCHES OVERALL; Special Test Features: SPECIAL QUALITY CONTROL TESTING; Outside Diameter: 3.390 INCHES NOMINAL IN; Material Document and Classification: TYPE F CAGE 04804 MFR REF SINGLE MATERIAL RESPONSE. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.