The Washer,flat, cataloged under National Stock Number 5310-00-995-6919, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Deutschland Ltd & Co Kg. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-995-6919 |
| Primary Part Number | 1-080-186-01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Deutschland Ltd & Co Kg |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Overall Diameter | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4130 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.027 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Thickness | 0.053 INCHES MINIMUM AND 0.073 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 |
|---|---|
| 1-080-186-01 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| 1-080-186-01 | Norcatec Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-080-186-01 | 3/9 Design control — primary reference U.S. Government activity |
| 1-080-186-01 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
NSN 5310-00-995-6919 is a Washer,flat, manufactured by Rolls-Royce Deutschland Ltd & Co Kg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-995-6919 has 2 manufacturer part numbers on file: 1-080-186-01 (Rolls-Royce Deutschland Ltd & Co Kg), 1-080-186-01 (Norcatec Llc).
Key specifications for 1-080-186-01: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Overall Diameter: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. 11 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.