PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PK50Parts Kit,check Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-135-2316 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-135-2316 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-135-2316. Primary manufacturer part number: PK50.
Features
  • Parts Kit,check Valve — FSC 4820
  • Supply Items and Quantities: RING 2,BUSHING 4,CLAPPER 1,PIN 1,0-RING 1,SEAL 1,SCREW 1,RULON BUMPER 1,NUT 1
  • Component Quantity: 13
  • 2 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,check Valve, cataloged under National Stock Number 4820-00-135-2316, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-00-135-2316
Primary Part NumberPK50
Item NameParts Kit,check Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Supply Items and QuantitiesRING 2,BUSHING 4,CLAPPER 1,PIN 1,0-RING 1,SEAL 1,SCREW 1,RULON BUMPER 1,NUT 1
Component Quantity13
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2805-00-741-0243PK50 INTERCHANGEABLE
Retainer,check Ball
Wisconsin Motors, Llc
5120-01-492-6905PK50A INTERCHANGEABLE
Knife,putty
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
PK50 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
PK50 National Oilwell (USA)
Related Parts
2805-00-741-0243INTERCHANGEABLE
RETAINER,CHECK BALL
PK50
5120-01-492-6905INTERCHANGEABLE
KNIFE,PUTTY
PK50A

Frequently Asked Questions

What is NSN 4820-00-135-2316?

NSN 4820-00-135-2316 is a Parts Kit,check Valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-135-2316?

NSN 4820-00-135-2316 has 2 cross-referenced part numbers: PK50 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), PK50 (National Oilwell).

What NSN replaces 4820-00-135-2316?

There are 2 known substitutes for 4820-00-135-2316: 2805-00-741-0243, 5120-01-492-6905. Verify interchangeability with system specifications before substitution.

What are the specifications of PK50?

Key specifications for PK50: Supply Items and Quantities: RING 2,BUSHING 4,CLAPPER 1,PIN 1,0-RING 1,SEAL 1,SCREW 1,RULON BUMPER 1,NUT 1; Component Quantity: 13. 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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