The Washer,flat, cataloged under National Stock Number 5310-00-262-2998, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-2998 |
| Primary Part Number | A6503 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Material | COPPER ALLOY 268 OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Center Hole Shape Style | ROUND |
| Overall Diameter | 0.281 INCHES NOMINAL IN |
| Hole Diameter | 0.140 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Thickness | 0.016 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A6503 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| C6503 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| A6503 PRIMARY | Fairbanks Morse, Llc (USA) |
| WPP2631 | Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA) |
| C6503 PRIMARY | Fairbanks Morse, Llc (USA) |
| SKA5052 PRIMARY | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
NSN 5310-00-262-2998 is a Washer,flat, manufactured by Fairbanks Morse, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-262-2998 has 6 cross-referenced part numbers: A6503 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), C6503 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), A6503 (Fairbanks Morse, Llc), WPP2631 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products), C6503 (Fairbanks Morse, Llc) and 1 more.
There are 7 known substitutes for 5310-00-262-2998: 2530-00-288-6169, 5340-00-420-7903, 5950-00-471-8374 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for A6503: Material: COPPER ALLOY 268 OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Overall Diameter: 0.281 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.