The Washer,flat, cataloged under National Stock Number 5310-01-175-3733, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-175-3733 |
| Primary Part Number | 104731678 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Overall Diameter | 0.607 INCHES MINIMUM AND 0.612 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-766,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766,COND A FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 304 OR STEEL COMP E4340 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.177 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Thickness | 0.019 INCHES MINIMUM AND 0.026 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 |
|---|---|
| 104731678 PRIMARY | Ge Aviation Systems Llc (USA) |
| 104731678 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 104731678 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| Reference | Meaning |
|---|---|
| 5 | 5/9 Secondary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| 104731678 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation |
NSN 5310-01-175-3733 is a Washer,flat, manufactured by Ge Aviation Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-175-3733 has 3 manufacturer part numbers on file: 104731678 (Ge Aviation Systems Llc), 104731678 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 104731678 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site).
Key specifications for 104731678: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Overall Diameter: 0.607 INCHES MINIMUM AND 0.612 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-766,1/2 HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766,COND A FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD 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.