PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R05900ESeat,valve

Nibco Inc Chemtrol Div · NSN 4820-01-273-5758 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-273-5758 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-273-5758. Primary manufacturer part number: R05900E.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Nibco Inc Chemtrol Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-273-5758, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-273-5758
Primary Part NumberR05900E
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
Seating Surface ShapeFLAT
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-190-711762067 INTERCHANGEABLE
Tee,hose
United States Plastic Corp
5330-00-256-881273339SEAL INTERCHANGEABLE
Seal,plain Encased
Dresser, Llc
5310-01-651-841862067 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
62067 Nibco Inc (USA)
R05900E PRIMARY Nibco Inc Chemtrol Div (USA)
RO5900E Nibco Inc (USA)
Related Parts
4730-00-190-7117INTERCHANGEABLE
TEE,HOSE
62067
5330-00-256-8812INTERCHANGEABLE
SEAL,PLAIN ENCASED
73339SEAL
5310-01-651-8418INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
62067

Frequently Asked Questions

What is NSN 4820-01-273-5758?

NSN 4820-01-273-5758 is a Seat,valve, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-273-5758?

NSN 4820-01-273-5758 has 3 cross-referenced part numbers: 62067 (Nibco Inc), R05900E (Nibco Inc Chemtrol Div), RO5900E (Nibco Inc).

What NSN replaces 4820-01-273-5758?

There are 3 known substitutes for 4820-01-273-5758: 4730-00-190-7117, 5330-00-256-8812, 5310-01-651-8418. Verify interchangeability with system specifications before substitution.

What are the specifications of R05900E?

Key specifications for R05900E: Seating Surface Shape: FLAT; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; End Item Identification: MODEL T-590-Y SIZE 2 1/2. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com