The Valve,air Venting,steam, cataloged under National Stock Number 4520-00-773-6329, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Itt Fluid Technology Corp Itt Mcdonnell and Miller. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-773-6329 |
| Primary Part Number | 791 |
| Item Name | Valve,air Venting,steam |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Itt Fluid Technology Corp Itt Mcdonnell and Miller |
| Status | ACTIVE |
| Valve Water Pressure Position | CLOSED |
| Valve Type | STEAM RADIATOR AIR VENT |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | COPPER ALLOY |
| Surface Treatment | ENAMEL |
| Valve Shape | VERTICAL STRAIGHT |
| Valve Connection Size | 0.250 INCHES IN |
| Valve Air Return Prevention | REQUIRED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-00-773-6329 is a Valve,air Venting,steam, manufactured by Itt Fluid Technology Corp Itt Mcdonnell and Miller, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-773-6329 has 2 cross-referenced part numbers: 791 (Itt Fluid Technology Corp Itt Mcdonnell and Miller), A4973 (Itt Fluid Technology Corp Itt Mcdonnell and Miller).
There are 11 known substitutes for 4520-00-773-6329: 5360-00-223-7192, 6640-00-264-4991, 6630-00-359-9792 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 791: Valve Water Pressure Position: CLOSED; Valve Type: STEAM RADIATOR AIR VENT; Overall Diameter: 1.375 INCHES NOMINAL IN; Operating Pressure: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 10 total characteristics are documented in the Federal Logistics Information System.