The Washer,flat, cataloged under National Stock Number 5310-00-064-5504, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-064-5504 |
| Primary Part Number | 4055460-01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company |
| Status | ACTIVE |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-17091 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.310 INCHES NOMINAL IN |
| Thickness | 0.050 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 | X |
| Part Number | Manufacturer |
|---|---|
| 4055460-01 | Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company (USA) |
| Reference | Meaning |
|---|---|
| 66-11386-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-064-5504 is a Washer,flat, manufactured by Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-064-5504 has 1 manufacturer part number on file: 4055460-01 (Diversified Aerospace Services, Llc Dba Lloyd Aircraft Company).
Key specifications for 4055460-01: Overall Diameter: 1.250 INCHES NOMINAL IN; Material Document and Classification: MIL-P-17091 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.