The Cylinder,regulating Valve, cataloged under National Stock Number 2990-00-478-8339, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Imi Cash Valve Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-478-8339 |
| Primary Part Number | 1938 |
| Item Name | Cylinder,regulating Valve |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,2.813 IN. LG,1.625 IN. HEXAGON WIDTH,1.875 IN. LARGEST OD,1-688 IN. ID 2.250 IN. DEEP,1.500 IN.-20 UN THD ONE END,ONE 0.313 IN. DIA HOLE THROUGH CENTER EACH FLAT,2.031 IN. FROM PLAIN END TO CENTER OF HOLE IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2990-00-478-8339 is a Cylinder,regulating Valve, manufactured by Imi Cash Valve Inc, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-478-8339 has 3 cross-referenced part numbers: 189575 (Striegel Supply, Inc. Dba Striegel Supply Inc), 1938 (Imi Cash Valve Inc), 1H9575 (Caterpillar Inc Div Caterpillar Defense).
There are 12 known substitutes for 2990-00-478-8339: 2915-00-113-6586, 4720-00-200-0368, 5310-00-209-0786 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1938: General Characteristics Item Description: BRASS,2.813 IN. LG,1.625 IN. HEXAGON WIDTH,1.875 IN. LARGEST OD,1-688 IN. ID 2.250 IN. DEEP,1.500 IN.-20 UN THD ONE END,ONE 0.313 IN. DIA HOLE THROUGH CENTER EACH FLAT,2.031 IN. FROM PLAIN END TO CENTER OF HOLE IN. 1 total characteristics are documented in the Federal Logistics Information System.