NSN 4820-01-431-9120 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-431-9120. Manufacturer of record part number: 123YF-3IN-3.
Also searched as4820-01-431-9120 ·
4820014319120 ·
NIIN 014319120 ·
01-431-9120 ·
FSC 4820 Valves, Nonpowered · CAGE 78527 · 123YF-3IN-3
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: WATER, SALT SINGLE RESPONSE
Valve Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: Staples & Pfeiffer, Inc.
Identification
NSN: 4820-01-431-9120
NIIN: 014319120
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 123YF-3IN-3
Manufacturer: Staples & Pfeiffer, Inc.
General Description
The Cock,plug, cataloged under National Stock Number 4820-01-431-9120, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Staples & Pfeiffer, Inc.. Government technical data includes 3 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
4820-01-431-9120
Primary Part Number
123YF-3IN-3
Item Name
Cock,plug
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Staples & Pfeiffer, Inc.
Status
ACTIVE
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE 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 4820-01-431-9120?
NSN 4820-01-431-9120 is a Cock,plug, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-431-9120?
NSN 4820-01-431-9120 has 1 manufacturer part number on file: 123YF-3IN-3 (Staples & Pfeiffer, Inc.).
What are the specifications of 123YF-3IN-3?
Key specifications for 123YF-3IN-3: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: MODEL 123YF; USED ON YOKE COVER, FLANGED , DUPLEX STRAINER; Media for Which Designed: WATER, SALT SINGLE RESPONSE; End Item Identification: SPRUANCE CLASS DD (963). 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-431-9120 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.