The Cover,exhalation Valve, cataloged under National Stock Number 4240-01-251-3270, 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 Square D Co Monroe Plant. Government technical data includes 2 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-251-3270 |
| Primary Part Number | 51332 |
| Item Name | Cover,exhalation Valve |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Square D Co Monroe Plant |
| Status | ACTIVE |
| General Characteristics Item Description | SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51332 PRIMARY | Square D Co Monroe Plant (USA) |
NSN 4240-01-251-3270 is a Cover,exhalation Valve, manufactured by Square D Co Monroe Plant, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-251-3270 has 1 cross-referenced part number: 51332 (Square D Co Monroe Plant).
There are 8 known substitutes for 4240-01-251-3270: 5315-00-010-3498, 5365-00-018-4887, 4820-00-221-8716 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51332: General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302; End Item Identification: AMERICAN OPTICAL MODEL 5 STAR RESPIRATOR; Criticality Code Justification: TEXT. 3 total characteristics are documented in the Federal Logistics Information System.