PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20774Seat,valve

Kohler Co Div Plumbing Div · NSN 4820-00-482-4628 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-482-4628 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-482-4628. Primary manufacturer part number: 20774.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Kohler Co Div Plumbing Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-482-4628, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kohler Co Div Plumbing Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-482-4628
Primary Part Number20774
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKohler Co Div Plumbing Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4810-00-459-677120774 INTERCHANGEABLE
Valve,solenoid
Clayton Manufacturing Company
6240-00-643-068711231P11 INTERCHANGEABLE
Lamp,incandescent
Taylor Machine Works Inc
5340-00-687-5316 INTERCHANGEABLE
Clamp,loop
5961-01-276-899820774 INTERCHANGEABLE
Rectifier,semiconductor Device
National Oil Well Dba Iec Baylor
3040-01-293-6754 INTERCHANGEABLE
Control,cam
5330-01-434-103620774 INTERCHANGEABLE
Retainer,packing
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
2930-01-437-070752471638 INTERCHANGEABLE
Radiator,engine Coolant
General Motors Corp
4730-01-517-1072C20774 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20774 Kohler Co Div Plumbing Div (USA)
20774 Essex Industries, Inc. Dba Essex Industries (USA)
20774-RP Kohler Co Div Plumbing Div (USA)
Related Parts
4810-00-459-6771INTERCHANGEABLE
VALVE,SOLENOID
20774
6240-00-643-0687INTERCHANGEABLE
LAMP,INCANDESCENT
11231P11
5340-00-687-5316INTERCHANGEABLE
CLAMP,LOOP
5961-01-276-8998INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
20774
3040-01-293-6754INTERCHANGEABLE
CONTROL,CAM
5330-01-434-1036INTERCHANGEABLE
RETAINER,PACKING
20774
2930-01-437-0707INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
52471638
4730-01-517-1072INTERCHANGEABLE
ELBOW,HOSE
C20774

Frequently Asked Questions

What is NSN 4820-00-482-4628?

NSN 4820-00-482-4628 is a Seat,valve, manufactured by Kohler Co Div Plumbing Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-482-4628?

NSN 4820-00-482-4628 has 3 cross-referenced part numbers: 20774 (Kohler Co Div Plumbing Div), 20774 (Essex Industries, Inc. Dba Essex Industries), 20774-RP (Kohler Co Div Plumbing Div).

What NSN replaces 4820-00-482-4628?

There are 8 known substitutes for 4820-00-482-4628: 4810-00-459-6771, 6240-00-643-0687, 5340-00-687-5316 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20774?

Key specifications for 20774: Special Features: BAR STOCK ASTM B-371,ALLOY 697,ROLLED THREAD 1/2-27 NS-3A,0.375 IN. ID,0.567IN. OD. A. 1 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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