PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19339Seat,valve

Mid-America Aerotech, Llc · NSN 4820-00-083-4092 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-083-4092 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-083-4092. Primary manufacturer part number: 19339.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 0.350 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Body Inside Diameter: 0.085 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
  • Material: ALUMINUM ALLOY OVERALL
  • Seal Accommodation Type: RECESSED
  • Style Designator: PLAIN
  • Surface Treatment: ANODIZE OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-083-4092, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-083-4092
Primary Part Number19339
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Body Outside Diameter0.350 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Body Inside Diameter0.085 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY OVERALL
Seal Accommodation TypeRECESSED
Style DesignatorPLAIN
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-505-6186AWR4 INTERCHANGEABLE
Seal,special
Dixon Valve & Coupling Company, Llc Div Dixon Fire
4720-00-737-233349567H INTERCHANGEABLE
Hose Assembly,nonmetallic
Navistar Intl Corp Truck Br Ohio Plant
4720-01-565-3919 INTERCHANGEABLE
Hose,nonmetallic
6650-01-578-384319339 INTERCHANGEABLE
Mount,telescope
Questar Corp
4820-01-621-4715 INTERCHANGEABLE
Valve,check
2810-01-682-348319339 INTERCHANGEABLE
Lock,valve Spring Retainer
Cadillac Gage Textron Inc.
1005-01-719-305619339 INTERCHANGEABLE
Barrel,rifle
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
19339 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
19339 E-Systems Inc Montek Div Fluid Controls Opns (USA)
19339 PRIMARY Mid-America Aerotech, Llc (USA)
19339 Moog Inc (USA)
Related Parts
5330-00-505-6186INTERCHANGEABLE
SEAL,SPECIAL
AWR4
4720-00-737-2333INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
49567H
4720-01-565-3919INTERCHANGEABLE
HOSE,NONMETALLIC
6650-01-578-3843INTERCHANGEABLE
MOUNT,TELESCOPE
19339
4820-01-621-4715INTERCHANGEABLE
VALVE,CHECK
2810-01-682-3483INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
19339
1005-01-719-3056INTERCHANGEABLE
BARREL,RIFLE
19339

Frequently Asked Questions

What is NSN 4820-00-083-4092?

NSN 4820-00-083-4092 is a Seat,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-083-4092?

NSN 4820-00-083-4092 has 4 cross-referenced part numbers: 19339 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 19339 (E-Systems Inc Montek Div Fluid Controls Opns), 19339 (Mid-America Aerotech, Llc), 19339 (Moog Inc).

What NSN replaces 4820-00-083-4092?

There are 7 known substitutes for 4820-00-083-4092: 5330-00-505-6186, 4720-00-737-2333, 4720-01-565-3919 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19339?

Key specifications for 19339: Body Outside Diameter: 0.350 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Body Inside Diameter: 0.085 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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