PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

170112Valve,check

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 4820-00-910-6948 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-910-6948 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-910-6948. Primary manufacturer part number: 170112.
Features
  • Valve,check — FSC 4820
  • Material: STEEL BODY
  • Material Document and Classification: MIL-S-5059,TYPE 302 MIL SPEC 3RD MATERIAL RESPONSE SEAT
  • Valve Operation Method: MANUAL
  • Material Document and Classification: AMS 5610 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Material: STEEL CORROSION RESISTING SEAT
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Thread Quantity Per Inch: 12 ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-910-6948, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-910-6948
Primary Part Number170112
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusCANCELLED
MaterialSTEEL BODY
Material Document and ClassificationMIL-S-5059,TYPE 302 MIL SPEC 3RD MATERIAL RESPONSE SEAT
Valve Operation MethodMANUAL
Material Document and ClassificationAMS 5610 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING SEAT
Thread DirectionRIGHT-HAND ALL ENDS
Thread Quantity Per Inch12 ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Flow Control DeviceDISK
MaterialSTEEL CORROSION RESISTING STEM
Style DesignatorSTRAIGHT THRU
Nominal Thread Size2.000 INCHES ALL ENDS IN
Material Document and ClassificationMIL-S-5059,TYPE 302 MIL SPEC 4TH MATERIAL RESPONSE STEM
Thread Series DesignatorUN ALL ENDS
Thread Class2A ALL ENDS A
MaterialSTEEL COMP 416SE FLOW CONTROL DEVICE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting PositionHORIZONTAL
Disk Loading MethodSPRING
Material Document and ClassificationAMS5640 ASSN STD 1ST MATERIAL RESPONSE BODY
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4820-00-450-66711701-1/2 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
6130-00-635-849017-01-12 INTERCHANGEABLE
Rectifier,metallic
Lct Electronics
5905-00-651-163362-717 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Lockheed Martin Corporation Div Rms - Mitchel Field
5340-00-908-0641170112 INTERCHANGEABLE
Holder,spring
Telemechanics Inc
5306-01-193-9160 INTERCHANGEABLE
Bolt,machine
5985-01-672-0301170112 INTERCHANGEABLE
Diplexer
Rf Linx, Inc.
Cross-Reference Index
Part NumberManufacturer
C36204 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
170112 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
4820-00-450-6671INTERCHANGEABLE
VALVE,GATE
1701-1/2
6130-00-635-8490INTERCHANGEABLE
RECTIFIER,METALLIC
17-01-12
5905-00-651-1633INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
62-717
5340-00-908-0641INTERCHANGEABLE
HOLDER,SPRING
170112
5306-01-193-9160INTERCHANGEABLE
BOLT,MACHINE
5985-01-672-0301INTERCHANGEABLE
DIPLEXER
170112

Frequently Asked Questions

What is NSN 4820-00-910-6948?

NSN 4820-00-910-6948 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-910-6948?

NSN 4820-00-910-6948 has 2 cross-referenced part numbers: C36204 (Eaton Corporation Dba Eaton Inoac Div Eaton), 170112 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What NSN replaces 4820-00-910-6948?

There are 6 known substitutes for 4820-00-910-6948: 4820-00-450-6671, 6130-00-635-8490, 5905-00-651-1633 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 170112?

Key specifications for 170112: Material: STEEL BODY; Material Document and Classification: MIL-S-5059,TYPE 302 MIL SPEC 3RD MATERIAL RESPONSE SEAT; Valve Operation Method: MANUAL; Material Document and Classification: AMS 5610 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-910-6948 still in active supply?

NSN 4820-00-910-6948 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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