The Washer,lock, cataloged under National Stock Number 5310-00-017-8532, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-017-8532 |
| Primary Part Number | 178532 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL AND INTERNAL TEETH |
| Material Document and Classification | QQ-S-633,FS1060 TO FS 1080-CANCELED FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.865 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.332 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 |
|---|---|
| 178532 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 178532 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| P1923 | Fmc Corp (USA) |
| Reference | Meaning |
|---|---|
| 87472C | 5/9 Secondary reference Brockway Motor Trucks Div of Mack Trucks Inc |
| 178532 | 5/9 Secondary reference General Motors Corp |
| 401345 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 9-1316 | 5/9 Secondary reference Microdot Inc Everlock Chicago Div |
| 178532 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| P1923 | 3/2 Design control — primary reference U.S. Government activity |
| PC178532 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 401345 | 5/9 Secondary reference General Motors Corp |
| N25460J | 5/9 Secondary reference Diamond Reo Truck Co |
| 5227 | 3/2 Design control — primary reference U.S. Government activity |
| 5227 | 5/9 Secondary reference Hallett Mfg Co Inc |
NSN 5310-00-017-8532 is a Washer,lock, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-017-8532 has 3 manufacturer part numbers on file: 178532 (Rolls-Royce Solutions America Inc), 178532 (Chrysler Realty Company Llc Dba Daimler Chrysler), P1923 (Fmc Corp).
7 possible matches (shared part number, not a government interchangeability claim): 5945-00-583-2794, 5930-00-883-0109, 6640-00-965-1887. Verify interchangeability with system specifications before substitution.
Key specifications for 178532: Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Material Document and Classification: QQ-S-633,FS1060 TO FS 1080-CANCELED FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.865 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM 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.