NSN 4820-00-238-5329 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-238-5329. Manufacturer of record part number: 506-12.
Manufacturer of record: Zurn Industries Inc Wilkins Regulator Co Div
Identification
NSN: 4820-00-238-5329
NIIN: 002385329
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 506-12
Manufacturer: Zurn Industries Inc Wilkins Regulator Co Div
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-238-5329, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zurn Industries Inc Wilkins Regulator Co Div. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 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
4820-00-238-5329
Primary Part Number
506-12
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Zurn Industries Inc Wilkins Regulator Co Div
Status
ACTIVE
Body Outside Diameter
2.025 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
Style Designator
PLAIN
Body Inside Diameter
0.500 INCHES NOMINAL IN
Material
PLASTIC FLUORINATED ETHYLENE PROPYLENE OVERALL
Seating Surface Shape
FLAT
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-967-9518POSSIBLE MATCH
NUT,HOSE COUPLING
Possible match (shared part number)
5975-01-127-2020E943GPOSSIBLE MATCH
ADAPTER,ELECTRICAL CONDUIT
Possible match (shared part number)Abb Installation Products Inc
2915-01-162-0997POSSIBLE MATCH
PUMP,FUEL,JET ENGINE
Possible match (shared part number)
5995-01-254-16453036653G1POSSIBLE MATCH
CABLE ASSEMBLY,RADIO FREQUENCY
Possible match (shared part number)Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Zurn Industries Inc Wilkins Regulator Co Div (USA)
Related Parts
4730-00-967-9518POSSIBLE MATCH
NUT,HOSE COUPLING
5975-01-127-2020POSSIBLE MATCH
ADAPTER,ELECTRICAL CONDUIT
E943G
2915-01-162-0997POSSIBLE MATCH
PUMP,FUEL,JET ENGINE
5995-01-254-1645POSSIBLE MATCH
CABLE ASSEMBLY,RADIO FREQUENCY
3036653G1
5995-01-733-7284POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50612
Frequently Asked Questions
What is NSN 4820-00-238-5329?
NSN 4820-00-238-5329 is a Seat,valve, manufactured by Zurn Industries Inc Wilkins Regulator Co Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-238-5329?
NSN 4820-00-238-5329 has 2 manufacturer part numbers on file: 506-12 (Zurn Industries Inc Wilkins Regulator Co Div), 506-12114 (Zurn Industries Inc Wilkins Regulator Co Div).
What NSN replaces 4820-00-238-5329?
5 possible matches (shared part number, not a government interchangeability claim): 4730-00-967-9518, 5975-01-127-2020, 2915-01-162-0997. Verify interchangeability with system specifications before substitution.
What are the specifications of 506-12?
Key specifications for 506-12: Overall Height: 0.188 INCHES NOMINAL IN; Body Outside Diameter: 2.025 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 0.500 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-238-5329 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.