PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1885Seat,valve

Hunt Valve Company, Inc. · NSN 4820-01-091-2839 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-091-2839 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-091-2839. Primary manufacturer part number: B1885.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • 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 4820-01-091-2839, 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 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-091-2839
Primary Part NumberB1885
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6105-00-283-9135B1885 INTERCHANGEABLE
Armature,motor
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
4820-01-073-5845 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
D1866 PIECE 13 PT B1885 4IN-A P J Valves Inc (USA)
D1866 PIECE 13 Hunt Valve Company, Inc. (USA)
B1885 P J Valves Inc (USA)
B1885 PRIMARY Hunt Valve Company, Inc. (USA)
Related Parts
6105-00-283-9135INTERCHANGEABLE
ARMATURE,MOTOR
B1885
4820-01-073-5845INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-091-2839?

NSN 4820-01-091-2839 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 4820-01-091-2839?

NSN 4820-01-091-2839 has 4 cross-referenced part numbers: D1866 PIECE 13 PT B1885 4IN-A (P J Valves Inc), D1866 PIECE 13 (Hunt Valve Company, Inc.), B1885 (P J Valves Inc), B1885 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-091-2839?

There are 2 known substitutes for 4820-01-091-2839: 6105-00-283-9135, 4820-01-073-5845. Verify interchangeability with system specifications before substitution.

What are the specifications of B1885?

Key specifications for B1885: Material: STEEL CORROSION RESISTING OVERALL; End Item Identification: VALVE,SWING CHECK,4.000. 2 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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