The Valve,radiator,heating, cataloged under National Stock Number 4520-00-204-0693, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4520-00-204-0693 |
| Primary Part Number | A-A-50456 |
| Item Name | Valve,radiator,heating |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| End Connection Quantity | 2 |
| First End Nominal Pipe Size Accommodated | 0.500 INCHES IN |
| Body Style | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| First End Connection Type | THREADED INTERNAL PIPE |
| Valve Operation Method | WHEEL |
| First End Thread Direction | RIGHT-HAND |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Style Designator | PLAIN |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Style Designator | PLAIN |
| Flow Control Device | DISK, TOP GUIDED |
| Second End Thread Direction | RIGHT-HAND |
| Second End Nominal Pipe Size Accommodated | 0.500 INCHES IN |
| Media for Which Designed | STEAM |
| Nondefinitive Spec/std Data | 150 CLASS AND 2 PATTERN AND 1 SERVICE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-A-50456 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A50456-2-A-1 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-50457 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| WWV160 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| A50436-2-A-1 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 4520-00-204-0693 is a Valve,radiator,heating, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4520 (No Item Name Available). Status: cancelled.
NSN 4520-00-204-0693 has 5 cross-referenced part numbers: A-A-50456 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A50456-2-A-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-50457 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WWV160 (Federal Specifications Promulgated by General Services Administration Washington DC), A50436-2-A-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 4520-00-204-0693: 4520-00-222-3475, 4520-00-222-3476, 4520-00-222-3477 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-50456: Material: COPPER ALLOY BODY; Material: COPPER ALLOY FLOW CONTROL DEVICE; Material: COPPER ALLOY STEM; Material: COPPER ALLOY SEAT. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4520-00-204-0693 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.