The Washer,flat, cataloged under National Stock Number 5310-00-274-4540, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-274-4540 |
| Primary Part Number | 5190920 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND |
| Thickness | 0.0197 INCHES MINIMUM AND 0.0297 INCHES MAXIMUM IN |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN |
| Center Hole Shape Style | ROUND |
| Material | ALUMINUM ALLOY OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5190920 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 45278 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 45278 | General Motors Corp Delco Products Div Machine Control Systems (USA) |
| 45278 | General Motors Llc Dba General Motors Llc (USA) |
| 373886 | White Motor Corp (USA) |
| 45278 PRIMARY | General Motors Corp (USA) |
NSN 5310-00-274-4540 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-274-4540 has 6 cross-referenced part numbers: 5190920 (U S Army Tank Automotive Command Amsta-Im-Mm), 45278 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 45278 (General Motors Corp Delco Products Div Machine Control Systems), 45278 (General Motors Llc Dba General Motors Llc), 373886 (White Motor Corp) and 1 more.
There are 3 known substitutes for 5310-00-274-4540: 3110-00-526-1029, 5310-00-874-4495, 5998-01-326-9245. Verify interchangeability with system specifications before substitution.
Key specifications for 5190920: Overall Diameter: 0.500 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Thickness: 0.0197 INCHES MINIMUM AND 0.0297 INCHES MAXIMUM IN; Hole Diameter: 0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.