The Washer,flat, cataloged under National Stock Number 5310-00-274-9571, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 42 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-274-9571 |
| Primary Part Number | 117515PC365 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES INNER |
| Surface Finish | 63.0 MICROINCHES OUTER |
| Surface Finish | 32.0 MICROINCHES TOP |
| Overall Diameter | 0.968 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-I-652,CL35 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | IRON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thickness | 0.1875 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 117515PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 1589B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 118229PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 118216PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 117529PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 117029PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 116929PC365 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 117515PC365 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 117029PC365 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 1589B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 116929PC365 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 116729PC365 | 5/9 Secondary reference U.S. Government activity |
| 117529PC365 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 107529PC365 | 5/9 Secondary reference U.S. Government activity |
| 119629PC365 | 5/9 Secondary reference U.S. Government activity |
| 111229PC365 | 5/9 Secondary reference U.S. Government activity |
| 113416PC365 | 5/9 Secondary reference U.S. Government activity |
| 110929PC365 | 5/9 Secondary reference U.S. Government activity |
| 117029PC365 | 5/9 Secondary reference U.S. Government activity |
| 114729PC365 | 5/9 Secondary reference U.S. Government activity |
| 118829PC365 | 5/9 Secondary reference U.S. Government activity |
| 116916PC365 | 5/9 Secondary reference U.S. Government activity |
| 118229PC365 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 114716PC365 | 5/9 Secondary reference U.S. Government activity |
| 107016PC365 | 5/9 Secondary reference U.S. Government activity |
| 117529PC365 | 5/9 Secondary reference U.S. Government activity |
| 117515PC365 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-274-9571 is a Washer,flat, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-9571 has 7 manufacturer part numbers on file: 117515PC365 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 1589B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 118229PC365 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 118216PC365 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 117529PC365 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5895-01-103-4641. Verify interchangeability with system specifications before substitution.
Key specifications for 117515PC365: Surface Finish: 32.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES INNER; Surface Finish: 63.0 MICROINCHES OUTER; Surface Finish: 32.0 MICROINCHES TOP. 12 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.