The Washer,flat, cataloged under National Stock Number 5310-01-117-5947, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-117-5947 |
| Primary Part Number | 03457300 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hatz Diesel of America Inc |
| Status | ACTIVE |
| Overall Diameter | 44.4 MILLIMETERS MINIMUM AND 44.7 MILLIMETERS MAXIMUM MM |
| Heat Treatment | HARDENED AND TEMPERED |
| Hardness Rating | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | DIN 17222,FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Minimum Tensile Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Thickness | 0.7 MILLIMETERS MINIMUM AND 0.8 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 03457300 PRIMARY | Hatz Diesel of America Inc (USA) |
| Reference | Meaning |
|---|---|
| 82120 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
NSN 5310-01-117-5947 is a Washer,flat, manufactured by Hatz Diesel of America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-117-5947 has 1 manufacturer part number on file: 03457300 (Hatz Diesel of America Inc).
5 possible matches (shared part number, not a government interchangeability claim): 6620-01-209-6909, 1005-01-358-9718, 6140-01-396-4163. Verify interchangeability with system specifications before substitution.
Key specifications for 03457300: Overall Diameter: 44.4 MILLIMETERS MINIMUM AND 44.7 MILLIMETERS MAXIMUM MM; Heat Treatment: HARDENED AND TEMPERED; Hardness Rating: 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Material Document and Classification: DIN 17222,FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.
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.