The Valve Vent, cataloged under National Stock Number 4240-00-168-2039, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Mine Safety Appliances Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4240-00-168-2039 |
| Primary Part Number | 302603 |
| Item Name | Valve Vent |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | CANCELLED |
| General Characteristics Item Description | ALUMINUM; ID 15/16 IN.-24; 1.250 IN. LG; 1.156 IN. W; 1.250 IN. W ACROSS FLATS; INCLUDES STEM,RUBBER WASHER OD 1.062 IN.,ID 0.843 IN.,0.062 IN. THK;6 HOLES IN VENT IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 302603 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 4240-00-168-2039 is a Valve Vent, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: cancelled.
NSN 4240-00-168-2039 has 1 cross-referenced part number: 302603 (Mine Safety Appliances Company).
There are 3 known substitutes for 4240-00-168-2039: 3110-00-374-2044, 6680-00-581-8656, 5950-01-192-9918. Verify interchangeability with system specifications before substitution.
Key specifications for 302603: General Characteristics Item Description: ALUMINUM; ID 15/16 IN.-24; 1.250 IN. LG; 1.156 IN. W; 1.250 IN. W ACROSS FLATS; INCLUDES STEM,RUBBER WASHER OD 1.062 IN.,ID 0.843 IN.,0.062 IN. THK;6 HOLES IN VENT IN. 1 total characteristics are documented in the Federal Logistics Information System.
NSN 4240-00-168-2039 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.