The Spacer,ring, cataloged under National Stock Number 5365-00-656-0397, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-656-0397 |
| Primary Part Number | 1191NPC15 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| FSC Application Data | 1. VALVE,DIAPHRAGM STOP |
| Outside Diameter | 2.5625 INCHES NOMINAL IN |
| Overall Thickness | 0.025 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-626B,1/2 H FED SPEC ALL MATERIAL RESPONSES |
| Inside Diameter | 2.156 INCHES NOMINAL IN |
| Material | COPPER ALLOY 342 OR COPPER ALLOY 353 |
| 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 |
|---|---|
| 1191NPC15 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 20575 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 14157NPC6 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 3302985REVAPC15 | 5/9 Secondary reference U.S. Government activity |
| 3202985PC15 | 3/2 Design control — primary reference U.S. Government activity |
| 598-700-1894213REVAPC6 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-00-656-0397 is a Spacer,ring, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-656-0397 has 3 manufacturer part numbers on file: 1191NPC15 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20575 (Leslie Controls, Inc. Dba Leslie Controls Inc), 14157NPC6 (Leslie Controls, Inc. Dba Leslie Controls Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5365-01-231-9131, 4820-01-248-6034, 5120-01-430-8156. Verify interchangeability with system specifications before substitution.
Key specifications for 1191NPC15: Surface Finish: 63.0 MICROINCHES OVERALL; FSC Application Data: 1. VALVE,DIAPHRAGM STOP; Outside Diameter: 2.5625 INCHES NOMINAL IN; Overall Thickness: 0.025 INCHES NOMINAL IN. 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.