PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1908PJSeat,valve

Hunt Valve Company, Inc. · NSN 4820-01-091-8054 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-091-8054 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-091-8054. Primary manufacturer part number: A1908PJ.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Inside Diameter: 1.500 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Hunt Valve Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-091-8054, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-091-8054
Primary Part NumberA1908PJ
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Seating Surface ShapeFLAT
Style DesignatorPLAIN
MaterialSTEEL CORROSION RESISTING OVERALL
Body Inside Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6610-00-074-2092A1908-1 INTERCHANGEABLE
Adapter Assembly
Aerosonic Llc
4820-01-091-4684 INTERCHANGEABLE
Seat,valve
4820-01-091-6962 INTERCHANGEABLE
Valve,check
4820-01-091-7996 INTERCHANGEABLE
Valve,check
4820-01-091-8053 INTERCHANGEABLE
Seat,valve
4820-01-091-8129D-1994 PIECE 3 THRU 7 1-1/2INCH INTERCHANGEABLE
Parts Kit,check Valve
Hunt Valve Company, Inc.
4820-01-092-4294D-1994 SIZE 1IN INTERCHANGEABLE
Valve,check
Hunt Valve Company, Inc.
4820-01-103-7312D-1994 PC 3,4,6,7 INTERCHANGEABLE
Parts Kit,check Valve
Hunt Valve Company, Inc.
4730-01-136-3329A1908 INTERCHANGEABLE
Coupling
Weil Pump Co Inc
4820-01-155-0328 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
A1908PJ PRIMARY Hunt Valve Company, Inc. (USA)
D-1994 P J Valves Inc (USA)
A1908 P J Valves Inc (USA)
D-1994 PIECE 13 1 1-2IN P J Valves Inc (USA)
Related Parts
6610-00-074-2092INTERCHANGEABLE
ADAPTER ASSEMBLY
A1908-1
4820-01-091-4684INTERCHANGEABLE
SEAT,VALVE
4820-01-091-6962INTERCHANGEABLE
VALVE,CHECK
4820-01-091-7996INTERCHANGEABLE
VALVE,CHECK
4820-01-091-8053INTERCHANGEABLE
SEAT,VALVE
4820-01-091-8129INTERCHANGEABLE
PARTS KIT,CHECK VALVE
D-1994 PIECE 3 THRU 7 1-1/2INCH
4820-01-092-4294INTERCHANGEABLE
VALVE,CHECK
D-1994 SIZE 1IN
4820-01-103-7312INTERCHANGEABLE
PARTS KIT,CHECK VALVE
D-1994 PC 3,4,6,7
4730-01-136-3329INTERCHANGEABLE
COUPLING
A1908
4820-01-155-0328INTERCHANGEABLE
CAP,VALVE
4820-01-191-2710INTERCHANGEABLE
CAP,VALVE
4820-01-191-2711INTERCHANGEABLE
CAP,VALVE
B-1902

Frequently Asked Questions

What is NSN 4820-01-091-8054?

NSN 4820-01-091-8054 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-091-8054?

NSN 4820-01-091-8054 has 4 cross-referenced part numbers: A1908PJ (Hunt Valve Company, Inc.), D-1994 (P J Valves Inc), A1908 (P J Valves Inc), D-1994 PIECE 13 1 1-2IN (P J Valves Inc).

What NSN replaces 4820-01-091-8054?

There are 12 known substitutes for 4820-01-091-8054: 6610-00-074-2092, 4820-01-091-4684, 4820-01-091-6962 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1908PJ?

Key specifications for A1908PJ: Seating Surface Shape: FLAT; Style Designator: PLAIN; Material: STEEL CORROSION RESISTING OVERALL; Body Inside Diameter: 1.500 INCHES NOMINAL IN. 4 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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