PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8601-17CValve,regulating,fluid Pressure

Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div · NSN 4820-00-865-6557 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-865-6557 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-865-6557. Primary manufacturer part number: 8601-17C.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Manual Control Method: SCREW
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • First End Connection Type: THREADED INTERNAL PIPE
  • Body Style: STRAIGHT THRU
  • Valve Loading Method: SPRING
  • Valve Stem Design: SINGLE SEAT
  • Temp Rating: -20.0 FAHRENHEIT MINIMUM AND 100.0 FAHRENHEIT MAXIMUM DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-865-6557, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4820-00-865-6557
Primary Part Number8601-17C
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div
StatusACTIVE
Manual Control MethodSCREW
Thread Size and Series/type Designator1/4-18 NPT FIRST END
First End Connection TypeTHREADED INTERNAL PIPE
Body StyleSTRAIGHT THRU
Valve Loading MethodSPRING
Valve Stem DesignSINGLE SEAT
Temp Rating-20.0 FAHRENHEIT MINIMUM AND 100.0 FAHRENHEIT MAXIMUM DEGF
Maximum Inlet Pressure RatingERR-060
MaterialCOPPER ALLOY BODY
Second End Relationship with First EndIDENTICAL
Regulation TypeAUTOMATIC SINGLE STAGE
End Connection Quantity2
First End Thread DirectionRIGHT-HAND
First End Style DesignatorOPTIONAL END
Outlet Pressure Range60.0 TO 150.0 CAMERA MOUNT
FilterNOT INCLUDED
Flow Control DeviceNEEDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-005-0028A51B24300-6 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
3110-00-064-04748575-23-2 INTERCHANGEABLE
Ball,bearing
Cef Industries, Llc Dba Cef Industries Inc
3120-00-104-50707114 INTERCHANGEABLE
Bearing,sleeve
Philips Industries Inc
5670-00-138-46467-1 1-4 INTERCHANGEABLE
Cross,railing
Hollaender Manufacturing Co
4820-00-216-580540602 INTERCHANGEABLE
Seat,valve
Essex Industries, Inc. Dba Essex Industries
1650-00-344-45097114 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Pneudraulics, Inc.
4730-00-415-05857114 INTERCHANGEABLE
Reducer,pipe
Cooper Machinery Services Llc
5995-00-469-5097137377 INTERCHANGEABLE
Cable Assembly,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5975-00-538-17937114 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6685-00-564-98007114 INTERCHANGEABLE
Tester,pyrometer and Thermocoupl
Allison Transmission Inc Dba Allison Transmission, Inc
Cross-Reference Index
Part NumberManufacturer
8601-17C Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div (USA)
71-14 Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div (USA)
KVAL1404 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
Related Parts
5330-00-005-0028INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
A51B24300-6
3110-00-064-0474INTERCHANGEABLE
BALL,BEARING
8575-23-2
3120-00-104-5070INTERCHANGEABLE
BEARING,SLEEVE
7114
5670-00-138-4646INTERCHANGEABLE
CROSS,RAILING
7-1 1-4
4820-00-216-5805INTERCHANGEABLE
SEAT,VALVE
40602
1650-00-344-4509INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
7114
4730-00-415-0585INTERCHANGEABLE
REDUCER,PIPE
7114
5995-00-469-5097INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
137377
5975-00-538-1793INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
7114
6685-00-564-9800INTERCHANGEABLE
TESTER,PYROMETER AND THERMOCOUPL
7114
5999-00-590-2233INTERCHANGEABLE
DELAY LINE
717799-18
3610-00-789-3452INTERCHANGEABLE
WIRE FEED ADJ PINIO
7114

Frequently Asked Questions

What is NSN 4820-00-865-6557?

NSN 4820-00-865-6557 is a Valve,regulating,fluid Pressure, manufactured by Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-865-6557?

NSN 4820-00-865-6557 has 3 cross-referenced part numbers: 8601-17C (Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div), 71-14 (Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div), KVAL1404 (Worthington Compressors Inc Air Power and Construction Equip Div).

What NSN replaces 4820-00-865-6557?

There are 12 known substitutes for 4820-00-865-6557: 5330-00-005-0028, 3110-00-064-0474, 3120-00-104-5070 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8601-17C?

Key specifications for 8601-17C: Manual Control Method: SCREW; Thread Size and Series/type Designator: 1/4-18 NPT FIRST END; First End Connection Type: THREADED INTERNAL PIPE; Body Style: STRAIGHT THRU. 17 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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