The Washer,flat, cataloged under National Stock Number 5310-00-514-8078, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is American Pulverizer Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-514-8078 |
| Primary Part Number | 8956175-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | American Pulverizer Co |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.997 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-698,TEMPER 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.557 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Thickness | 0.120 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8956175-3 PRIMARY | American Pulverizer Co (USA) |
| 6655628 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 5310005148078 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6655628 | 5/9 Secondary reference General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group |
| 616796 | E/8 Replaced / superseded reference Dana Off Highway Products, Llc |
NSN 5310-00-514-8078 is a Washer,flat, manufactured by American Pulverizer Co, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-514-8078 has 2 manufacturer part numbers on file: 8956175-3 (American Pulverizer Co), 6655628 (General Electric Company).
2 possible matches (shared part number, not a government interchangeability claim): 2840-00-929-0506, 6150-01-645-5727. Verify interchangeability with system specifications before substitution.
Key specifications for 8956175-3: Surface Treatment Document and Classification: QQ-P-416 TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.997 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-698,TEMPER 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.
NSN 5310-00-514-8078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.