PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4SK930Valve,check

Oshkosh Defense Llc · NSN 4820-01-151-8040 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-151-8040 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-8040. Primary manufacturer part number: 4SK930.
Features
  • Valve,check — FSC 4820
  • Material: COPPER ALLOY SEAT
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Material: COPPER ALLOY BODY
  • Renewable Seat Ring Type: PRESSED-IN
  • 4 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-151-8040, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-151-8040
Primary Part Number4SK930
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
MaterialCOPPER ALLOY SEAT
Mounting PositionHORIZONTAL OR VERTICAL
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
Renewable Seat Ring TypePRESSED-IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5306-00-141-4442 INTERCHANGEABLE
Bolt,eye
5110-00-240-6031 INTERCHANGEABLE
Bar,chisel
4730-00-277-6948698 INTERCHANGEABLE
Chuck,air,inflating
Milton Industries, Inc
5340-00-331-166011A2004 INTERCHANGEABLE
Bumper
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5355-00-537-2505D37550 INTERCHANGEABLE
Knob
Cnh Industrial America Llc Dba Cnh America
2990-00-766-2262D053 INTERCHANGEABLE
Muffler,exhaust
Maremont Corp
3030-00-844-4167698 INTERCHANGEABLE
Belt,v
Gates Corporation
6625-00-867-7808 INTERCHANGEABLE
Lead,test
5965-00-940-7028 INTERCHANGEABLE
Microphone,dynamic
4730-01-056-8267 INTERCHANGEABLE
Tee,tube to Boss
Cross-Reference Index
Part NumberManufacturer
1354390 Oshkosh Corp (USA)
4SK930 PRIMARY Oshkosh Defense Llc (USA)
698 Kysor Industrial Corp Michigan Fleet Div (USA)
4SK930 Oshkosh Corp (USA)
Related Parts
5306-00-141-4442INTERCHANGEABLE
BOLT,EYE
5110-00-240-6031INTERCHANGEABLE
BAR,CHISEL
4730-00-277-6948INTERCHANGEABLE
CHUCK,AIR,INFLATING
698
5340-00-331-1660INTERCHANGEABLE
BUMPER
11A2004
5355-00-537-2505INTERCHANGEABLE
KNOB
D37550
2990-00-766-2262INTERCHANGEABLE
MUFFLER,EXHAUST
D053
3030-00-844-4167INTERCHANGEABLE
BELT,V
698
6625-00-867-7808INTERCHANGEABLE
LEAD,TEST
5965-00-940-7028INTERCHANGEABLE
MICROPHONE,DYNAMIC
4730-01-056-8267INTERCHANGEABLE
TEE,TUBE TO BOSS
5340-01-152-6723INTERCHANGEABLE
BUMPER
698
4820-01-271-3789INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-01-151-8040?

NSN 4820-01-151-8040 is a Valve,check, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-151-8040?

NSN 4820-01-151-8040 has 4 cross-referenced part numbers: 1354390 (Oshkosh Corp), 4SK930 (Oshkosh Defense Llc), 698 (Kysor Industrial Corp Michigan Fleet Div), 4SK930 (Oshkosh Corp).

What NSN replaces 4820-01-151-8040?

There are 12 known substitutes for 4820-01-151-8040: 5306-00-141-4442, 5110-00-240-6031, 4730-00-277-6948 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4SK930?

Key specifications for 4SK930: Material: COPPER ALLOY SEAT; Mounting Position: HORIZONTAL OR VERTICAL; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Material: COPPER ALLOY BODY. 5 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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