NSN 4820-01-439-5440 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-439-5440. Manufacturer of record part number: 21367.
Also searched as4820-01-439-5440 ·
4820014395440 ·
NIIN 014395440 ·
01-439-5440 ·
FSC 4820 Valves, Nonpowered · CAGE 0WWG9 · 21367
The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-439-5440, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cooper Surgical. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-439-5440
Primary Part Number
21367
Item Name
Valve,regulating,system Pressure
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Cooper Surgical
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-512-554021367-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-514-857821367-1010-1POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5360-01-515-393321367-1002-1POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5315-01-519-037321367POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
5865-01-564-341421367POSSIBLE MATCH
HELMET SENSOR DATA COLLECTION MO
Possible match (shared part number)Med-Eng, Llc
7025-01-623-280521367POSSIBLE MATCH
TOUCHSCREEN,DATA ENTRY
Possible match (shared part number)Gaylord Marine Services, Inc.
NSN 4820-01-439-5440 is a Valve,regulating,system Pressure, manufactured by Cooper Surgical, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-439-5440?
NSN 4820-01-439-5440 has 1 manufacturer part number on file: 21367 (Cooper Surgical).
What NSN replaces 4820-01-439-5440?
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-512-5540, 4820-01-514-8578, 5360-01-515-3933. Verify interchangeability with system specifications before substitution.
What are the specifications of 21367?
Key specifications for 21367: Special Features: SHUTTLE VALVE; END ITEM APPLICATION 6515-01-414-3607; CRYOSURGICAL SYSTEM; MODEL GE-2000. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-439-5440 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.