NSN 4820-01-311-4272 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-311-4272. Manufacturer of record part number: AOJNB252251E ITEM 6 10 IN.
Also searched as4820-01-311-4272 ·
4820013114272 ·
NIIN 013114272 ·
01-311-4272 ·
FSC 4820 Valves, Nonpowered · CAGE 11859 · AOJNB252251E ITEM 6 10 IN · AOJNB252251E IT · AOJNB252251E
The Seat,valve, cataloged under National Stock Number 4820-01-311-4272, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Seat,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Hunt Valve Company, Inc. (CAGE 11859)
Technical Specifications
Parameter
Value
NSN
4820-01-311-4272
Primary Part Number
AOJNB252251E ITEM 6 10 IN
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, Inc.
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-312-1938AOJNB252251E ITEM 9 10INPOSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-312-5028AOJNB252251E 10INPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-312-5078AOJNB252251E ITEM 9 6INPOSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-312-5116AOJNB252251E ITEM 33 6INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-313-0553AOJNB252251E 6INPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Hunt Valve Company, Inc.
C/1Advisory reference — outside the item-of-supply concept
Pima Valve, Llc
AOJNB252251E
D/9Drawing number reference only
Pima Valve, Llc
Related Parts
4820-01-312-1938POSSIBLE MATCH
STEM,FLUID VALVE
AOJNB252251E ITEM 9 10IN
4820-01-312-5028POSSIBLE MATCH
VALVE,GLOBE
AOJNB252251E 10IN
4820-01-312-5078POSSIBLE MATCH
STEM,FLUID VALVE
AOJNB252251E ITEM 9 6IN
4820-01-312-5116POSSIBLE MATCH
DISK,VALVE
AOJNB252251E ITEM 33 6IN
4820-01-313-0553POSSIBLE MATCH
VALVE,GLOBE
AOJNB252251E 6IN
Frequently Asked Questions
What is NSN 4820-01-311-4272?
NSN 4820-01-311-4272 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-311-4272?
NSN 4820-01-311-4272 has 1 manufacturer part number on file: AOJNB252251E ITEM 6 10 IN (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-311-4272?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-312-1938, 4820-01-312-5028, 4820-01-312-5078. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-311-4272 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.