The Washer,flat, cataloged under National Stock Number 5310-00-540-4976, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-540-4976 |
| Primary Part Number | 2810H34-047-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | CANCELLED |
| Overall Diameter | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Heat Treatment | AS FABRICATED |
| Surface Finish | 50.0 MICROINCHES TOP |
| Material Document and Classification | AMS 6357 ASSN STD 1ST MATERIAL RESPONSE AND SAE ASSN STD 2ND MATERIAL RESPONSE AND SAE ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL |
| Surface Finish | 50.0 MICROINCHES BOTTOM |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2800 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Hole Diameter | 0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Center Hole Shape Style | ROUND |
| Peripheral Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2810H34-047-3 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 171801 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| 2810H34-047 | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-540-4976 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-540-4976 has 3 cross-referenced part numbers: 2810H34-047-3 (Us Army Aviation and Missile Command), 171801 (Curtiss-Wright Controls, Inc. Div Actuation Division), 2810H34-047 (Us Army Aviation and Missile Command).
There are 2 known substitutes for 5310-00-540-4976: 5950-00-045-6934, 5310-00-898-0156. Verify interchangeability with system specifications before substitution.
Key specifications for 2810H34-047-3: Overall Diameter: 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OVERALL; Heat Treatment: AS FABRICATED; Surface Finish: 50.0 MICROINCHES TOP. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-540-4976 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.