PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20534Seat,valve

Real-Time Laboratories, Llc · NSN 4820-01-229-5513 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-229-5513 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-229-5513. Primary manufacturer part number: 20534.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Real-Time Laboratories, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-229-5513, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Real-Time Laboratories, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-229-5513
Primary Part Number20534
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerReal-Time Laboratories, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-006-4970 INTERCHANGEABLE
Angle,structural
5340-00-468-0156390010PC534 INTERCHANGEABLE
Cap,protective,dust and Moisture
Naval Sea Systems Command
5930-00-721-042091669DH3X INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
4720-00-848-436320534 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4810-01-314-881120534 INTERCHANGEABLE
Valve,solenoid
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
3110-01-524-6070G20534 INTERCHANGEABLE
Bearing,roller,tapered
National Oilwell Varco Inc Dba National Oilwell
Cross-Reference Index
Part NumberManufacturer
20534 PRIMARY Real-Time Laboratories, Llc (USA)
Related Parts
9540-00-006-4970INTERCHANGEABLE
ANGLE,STRUCTURAL
5340-00-468-0156INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
390010PC534
5930-00-721-0420INTERCHANGEABLE
SWITCH,ROTARY
91669DH3X
4720-00-848-4363INTERCHANGEABLE
HOSE,PREFORMED
20534
4810-01-314-8811INTERCHANGEABLE
VALVE,SOLENOID
20534
3110-01-524-6070INTERCHANGEABLE
BEARING,ROLLER,TAPERED
G20534

Frequently Asked Questions

What is NSN 4820-01-229-5513?

NSN 4820-01-229-5513 is a Seat,valve, manufactured by Real-Time Laboratories, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-229-5513?

NSN 4820-01-229-5513 has 1 cross-referenced part number: 20534 (Real-Time Laboratories, Llc).

What NSN replaces 4820-01-229-5513?

There are 6 known substitutes for 4820-01-229-5513: 9540-00-006-4970, 5340-00-468-0156, 5930-00-721-0420 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20534?

Key specifications for 20534: End Item Identification: M1 TANK. 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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