The Washer,flat, cataloged under National Stock Number 5310-01-463-1755, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Advanced Machining & Fabricating Inc Div Advanced Plastics Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Advanced Machining & Fabricating Inc Div Advanced Plastics Inc (CAGE 0BD96); Fraccaro Industries Inc (CAGE 2Z106) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-463-1755 |
| Primary Part Number | HS5975-04 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Advanced Machining & Fabricating Inc Div Advanced Plastics 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 |
|---|---|
| HS5975-04 PRIMARY | Advanced Machining & Fabricating Inc Div Advanced Plastics Inc (USA) |
| HS5975-04 | Fraccaro Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| HS5975-04 | 7/2 Vendor item drawing reference The Boeing Company |
| HS5975-02 | 5/9 Secondary reference Advanced Machining & Fabricating Inc Div Advanced Plastics Inc |
| HS5975-02 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-463-1755 is a Washer,flat, manufactured by Advanced Machining & Fabricating Inc Div Advanced Plastics Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-463-1755 has 2 manufacturer part numbers on file: HS5975-04 (Advanced Machining & Fabricating Inc Div Advanced Plastics Inc), HS5975-04 (Fraccaro Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-548-0433. Verify interchangeability with system specifications before substitution.
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.