NSN 4820-01-273-1271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-273-1271. Manufacturer of record part number: P-1-22-11.
Also searched as4820-01-273-1271 ·
4820012731271 ·
NIIN 012731271 ·
01-273-1271 ·
FSC 4820 Valves, Nonpowered · CAGE 07309 · P-1-22-11
Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN
Mounting Position: HORIZONTAL
Style Designator: STRAIGHT THRU
Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
Material: STEEL CORROSION RESISTING BODY
Valve Operation Method: AUTOMATIC
Identification
NSN: 4820-01-273-1271
NIIN: 012731271
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: P-1-22-11
Manufacturer: Bird-Johnson Propeller Company, Llc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-273-1271, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. Government technical data includes 7 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4820-01-273-1271?
NSN 4820-01-273-1271 is a Valve,check, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-273-1271?
NSN 4820-01-273-1271 has 1 manufacturer part number on file: P-1-22-11 (Bird-Johnson Propeller Company, Llc).
What are the specifications of P-1-22-11?
Key specifications for P-1-22-11: Flow Control Device: CONE; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Mounting Position: HORIZONTAL; Style Designator: STRAIGHT THRU. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-273-1271 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.