The Piston,valve, cataloged under National Stock Number 4820-00-499-3991, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Arvinmeritor Inc. This item has 3 commercial cross-references from 3 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 | 4820-00-499-3991 |
| Primary Part Number | 26009 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Arvinmeritor Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-499-3991 is a Piston,valve, manufactured by Arvinmeritor Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-499-3991 has 3 cross-referenced part numbers: 3279582 (General Motors Corp Electro-Motive Div), 26009 (Arvinmeritor Inc), 3279582 (Hatch & Kirk, Inc.).
There are 7 known substitutes for 4820-00-499-3991: 5325-00-489-0928, 6125-00-537-7891, 5950-00-583-1365 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26009: Special Features: COLD ROLLED STL; 1.875 IN. OD; 0.500 IN. ID; 0.500 IN. THK; SEAT 1.500 IN. OD CHAMFERED 45 DEG;0.875 IN. DIA HUB ONE SIDE 0.250 IN. LG IN. 1 total characteristics are documented in the Federal Logistics Information System.