PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666SValve,globe

Crane Co Crane Valve and Parts Div · NSN 4820-00-254-8636 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-254-8636 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-254-8636. Primary manufacturer part number: 666S.
Features
  • Valve,globe — FSC 4820
  • Material: STEEL OVERALL
  • Flow Control Device: NEEDLE
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Operating Pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Bonnet Attachment Method: INTEGRAL
  • Media for Which Designed: STEAM FIRST RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-254-8636, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Crane Valve and Parts Div. Government technical data includes 17 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-254-8636
Primary Part Number666S
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Crane Valve and Parts Div
StatusACTIVE
MaterialSTEEL OVERALL
Flow Control DeviceNEEDLE
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Operating Pressure800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Bonnet Attachment MethodINTEGRAL
Media for Which DesignedSTEAM FIRST RESPONSE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.250 INCHES ALL ENDS IN
Bonnet TypeINSIDE SCREW
Maximum Operating Temp100.0 FAHRENHEIT SECOND RESPONSE DEGF
Maximum Operating Temp1000.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5210-00-277-1619599-9642-50 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4720-00-857-1736 INTERCHANGEABLE
Hose,nonmetallic
5950-01-145-3042 INTERCHANGEABLE
Transformer
4730-01-172-75546665 INTERCHANGEABLE
Elbow,pipe
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5315-01-196-79256665 INTERCHANGEABLE
Pin,straight,headless
Hein Werner Corp
1630-01-216-5619066-06500 INTERCHANGEABLE
Lining,friction
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5331-01-268-01626665 INTERCHANGEABLE
O-Ring
Liquid Controls, L.l.c. Div Idex Corporation
6150-01-388-59758909A522-001 INTERCHANGEABLE
Lead,electrical
The Entwistle Company Llc
6510-01-562-1999GG800 INTERCHANGEABLE
Skin Graft,human
Promethean Lifesciences Inc
Cross-Reference Index
Part NumberManufacturer
666S Crane Co Crane Valve and Parts Div (USA)
6665 Crane Co Crane Valve and Parts Div (USA)
Related Parts
5210-00-277-1619INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-50
4720-00-857-1736INTERCHANGEABLE
HOSE,NONMETALLIC
5950-01-145-3042INTERCHANGEABLE
TRANSFORMER
4730-01-172-7554INTERCHANGEABLE
ELBOW,PIPE
6665
5315-01-196-7925INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6665
1630-01-216-5619INTERCHANGEABLE
LINING,FRICTION
066-06500
5331-01-268-0162INTERCHANGEABLE
O-RING
6665
6150-01-388-5975INTERCHANGEABLE
LEAD,ELECTRICAL
8909A522-001
6510-01-562-1999INTERCHANGEABLE
SKIN GRAFT,HUMAN
GG800

Frequently Asked Questions

What is NSN 4820-00-254-8636?

NSN 4820-00-254-8636 is a Valve,globe, manufactured by Crane Co Crane Valve and Parts Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-254-8636?

NSN 4820-00-254-8636 has 2 cross-referenced part numbers: 666S (Crane Co Crane Valve and Parts Div), 6665 (Crane Co Crane Valve and Parts Div).

What NSN replaces 4820-00-254-8636?

There are 9 known substitutes for 4820-00-254-8636: 5210-00-277-1619, 4720-00-857-1736, 5950-01-145-3042 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666S?

Key specifications for 666S: Material: STEEL OVERALL; Flow Control Device: NEEDLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS. 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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