The Washer,flat, cataloged under National Stock Number 5310-01-463-1751, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fraccaro Industries Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fraccaro Industries Inc (CAGE 2Z106); Advanced Machining & Fabricating Inc Div Advanced Plastics Inc (CAGE 0BD96) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-463-1751 |
| Primary Part Number | HS5975-03 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fraccaro Industries Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HS5975-03 PRIMARY | Fraccaro Industries Inc (USA) |
| HS5975-01 | Advanced Machining & Fabricating Inc Div Advanced Plastics Inc (USA) |
| HS5975-03 | Advanced Machining & Fabricating Inc Div Advanced Plastics Inc (USA) |
| Reference | Meaning |
|---|---|
| HS5975-03 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| HS5975-01 | 5/9 Secondary reference The Boeing Company |
| HS5975-01 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| HS5975-03 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 5310-01-463-1751 is a Washer,flat, manufactured by Fraccaro Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-463-1751 has 3 manufacturer part numbers on file: HS5975-03 (Fraccaro Industries Inc), HS5975-01 (Advanced Machining & Fabricating Inc Div Advanced Plastics Inc), HS5975-03 (Advanced Machining & Fabricating Inc Div Advanced Plastics Inc).
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.