The Washer,flat, cataloged under National Stock Number 5310-01-478-8243, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-478-8243 |
| Primary Part Number | S8157N581-002 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Overall Diameter | 1.850 INCHES MINIMUM AND 1.860 INCHES MAXIMUM IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5510 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.370 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Thickness | 0.002 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| S8157N581-002 PRIMARY | Moog Military Aircraft Llc (USA) |
| C365538157N581-002 PRIMARY | Moog Military Aircraft Llc (USA) |
NSN 5310-01-478-8243 is a Washer,flat, manufactured by Moog Military Aircraft Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-478-8243 has 2 manufacturer part numbers on file: S8157N581-002 (Moog Military Aircraft Llc), C365538157N581-002 (Moog Military Aircraft Llc).
Key specifications for S8157N581-002: Overall Diameter: 1.850 INCHES MINIMUM AND 1.860 INCHES MAXIMUM IN; Criticality Code Justification: AGAV; Material Document and Classification: AMS 5510 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR ASTM A582 ASSN STD 5TH MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.