NSN 4820-01-307-8342 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-307-8342. Manufacturer of record part number: 20-0910.
Also searched as4820-01-307-8342 ·
4820013078342 ·
NIIN 013078342 ·
01-307-8342 ·
FSC 4820 Valves, Nonpowered · CAGE 56607 · 20-0910
The Seat,valve, cataloged under National Stock Number 4820-01-307-8342, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexair Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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
Lexair Inc (CAGE 56607)
Technical Specifications
Parameter
Value
NSN
4820-01-307-8342
Primary Part Number
20-0910
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Lexair 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)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-435-5908200910POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
5305-01-530-4145200910POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)Austin-Westran Llc
6680-01-549-5172XM-79660-026-02700-0-L-MILPOSSIBLE MATCH
TRANSMITTER,LIQUID QUANTITY
Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors
NSN 4820-01-307-8342 is a Seat,valve, manufactured by Lexair Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-307-8342?
NSN 4820-01-307-8342 has 1 manufacturer part number on file: 20-0910 (Lexair Inc).
What NSN replaces 4820-01-307-8342?
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-435-5908, 5305-01-530-4145, 6680-01-549-5172. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-307-8342 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.