NSN 4820-01-135-2199 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-135-2199. Manufacturer of record part number: WM87A.
Also searched as4820-01-135-2199 ·
4820011352199 ·
NIIN 011352199 ·
01-135-2199 ·
FSC 4820 Valves, Nonpowered · CAGE 11331 · WM87A
Maximum Operating Temp and Media for Which Designed: 200.0 FAHRENHEIT AIR DEGF
Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
Connection Type: THREADED INTERNAL PIPE
End Connection Quantity: 2
Nominal Thread Size: 0.375 INCHES IN
Identification
NSN: 4820-01-135-2199
NIIN: 011352199
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: WM87A
Manufacturer: Williams Controls Inc
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-135-2199, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Williams Controls Inc. Government technical data includes 10 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
4820-01-135-2199
Primary Part Number
WM87A
Item Name
Valve,flow Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Williams Controls Inc
Status
ACTIVE
Stem Material
COPPER ALLOY
Flow Control Device
POPPET
Maximum Operating Temp and Media for Which Designed
200.0 FAHRENHEIT AIR DEGF
Operating Pressure and Type
150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
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4820-00-001-0032 · Item name not on file
4820-00-001-0037
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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 4820-01-135-2199?
NSN 4820-01-135-2199 is a Valve,flow Control, manufactured by Williams Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-135-2199?
NSN 4820-01-135-2199 has 1 manufacturer part number on file: WM87A (Williams Controls Inc).
What are the specifications of WM87A?
Key specifications for WM87A: Stem Material: COPPER ALLOY; Flow Control Device: POPPET; Maximum Operating Temp and Media for Which Designed: 200.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-135-2199 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.