The Washer,flat, cataloged under National Stock Number 5310-01-196-3263, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-196-3263 |
| Primary Part Number | 3197840 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/3 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/4 FED SPEC 4TH MATERIAL RESPONSE AND QQ-A-225/5 FED SPEC 5TH MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 6TH MATERIAL RESPONSE OR QQ-A-225/7 FED SPEC 7TH MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC 8TH MATERIAL RESPONSE OR QQ-A-225/9 FED SPEC 9TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 3003 OR ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 7075 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thickness | 0.090 INCHES MINIMUM AND 0.105 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 |
|---|---|
| 3197840 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 3197840 | 5/9 Secondary reference U.S. Government activity |
| 3197840 | 5/9 Secondary reference Moog Military Aircraft Llc |
| 3197840 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 3197840 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 5310-01-196-3263 is a Washer,flat, manufactured by Moog Military Aircraft Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-196-3263 has 1 manufacturer part number on file: 3197840 (Moog Military Aircraft Llc).
Key specifications for 3197840: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.375 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225/1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/2 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/3 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/4 FED SPEC 4TH MATERIAL RESPONSE AND QQ-A-225/5 FED SPEC 5TH MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 6TH MATERIAL RESPONSE OR QQ-A-225/7 FED SPEC 7TH MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC 8TH MATERIAL RESPONSE OR QQ-A-225/9 FED SPEC 9TH 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.
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.