The Washer,flat, cataloged under National Stock Number 5310-01-508-8503, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Klein Marine Systems Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-508-8503 |
| Primary Part Number | 12500836 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Klein Marine Systems Inc |
| Status | ACTIVE |
| Material | STEEL COMP 316 OVERALL |
| Overall Diameter | 20.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 70.0 ROCKWELL B NOMINAL |
| Hole Diameter | 10.5 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Thickness | 1.8 MILLIMETERS MINIMUM AND 2.2 MILLIMETERS MAXIMUM MM |
| Center Hole Shape Style | ROUND |
| Peripheral Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3MJN0 | Computer Conversions Corporation Dba Computer Conversions Corp (USA) |
| 3816808 | Oshkosh Defense Llc (USA) |
| 12500836 | L-3 Communications Australia P/l (AUS) |
| 12500836 PRIMARY | Klein Marine Systems Inc (USA) |
| 12500836 | L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission (AUS) |
| 624800 | Comrod Inc (USA) |
| M1170-052111 | Forsvarets Materielverk (SWE) |
| DIN 125 | Din Deutsches Institut Fur Normung Ev (DEU) |
| 90965A200 | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-508-8503 is a Washer,flat, manufactured by Klein Marine Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-508-8503 has 9 cross-referenced part numbers: 3MJN0 (Computer Conversions Corporation Dba Computer Conversions Corp), 3816808 (Oshkosh Defense Llc), 12500836 (L-3 Communications Australia P/l), 12500836 (Klein Marine Systems Inc), 12500836 (L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission) and 4 more.
There are 5 known substitutes for 5310-01-508-8503: 5940-00-518-7009, 5310-00-531-2886, 5935-00-775-2644 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12500836: Material: STEEL COMP 316 OVERALL; Overall Diameter: 20.0 MILLIMETERS NOMINAL MM; End Item Identification: SQH-4B TOWFISH; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV); Hardness Rating: 70.0 ROCKWELL B NOMINAL. 9 total characteristics are documented in the Federal Logistics Information System.