NSN 4820-01-669-5475 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-669-5475. Manufacturer of record part number: IR34 POWW.
Maximum Operating Temp and Media for Which Designed: 250.00 FAHRENHEIT WATER DEGF
Operating Pressure and Type: 275.00 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS
End Connection Quantity: 2
Body Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Griswold Controls Llc
Identification
NSN: 4820-01-669-5475
NIIN: 016695475
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: IR34 POWW
Manufacturer: Griswold Controls Llc
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-669-5475, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Griswold Controls Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-669-5475
Primary Part Number
IR34 POWW
Item Name
Valve,flow Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Griswold Controls Llc
Status
ACTIVE
Flow Control Device
BALL
Maximum Operating Temp and Media for Which Designed
250.00 FAHRENHEIT WATER DEGF
Operating Pressure and Type
275.00 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-669-5475?
NSN 4820-01-669-5475 is a Valve,flow Control, manufactured by Griswold Controls Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-669-5475?
NSN 4820-01-669-5475 has 1 manufacturer part number on file: IR34 POWW (Griswold Controls Llc).
What are the specifications of IR34 POWW?
Key specifications for IR34 POWW: Flow Control Device: BALL; Maximum Operating Temp and Media for Which Designed: 250.00 FAHRENHEIT WATER DEGF; Operating Pressure and Type: 275.00 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS; End Connection Quantity: 2. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-669-5475 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.