PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4270Valve,radiator,heating

Crane Co Div Valve Div · NSN 4520-00-277-7506 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-277-7506 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-277-7506. Primary manufacturer part number: 4270.
Features
  • Valve,radiator,heating — FSC 4520
  • Media for Which Designed: STEAM
  • Material: COPPER ALLOY 922 STEM
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Second End Nominal Pipe Size Accommodated: 1.000 INCHES IN
  • Body Style: STRAIGHT THRU
  • Second End Thread Direction: RIGHT-HAND
  • Second End Connection Type: THREADED EXTERNAL PIPE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Stem construction
General Description

The Valve,radiator,heating, cataloged under National Stock Number 4520-00-277-7506, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-277-7506
Primary Part Number4270
Item NameValve,radiator,heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Media for Which DesignedSTEAM
MaterialCOPPER ALLOY 922 STEM
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Second End Nominal Pipe Size Accommodated1.000 INCHES IN
Body StyleSTRAIGHT THRU
Second End Thread DirectionRIGHT-HAND
Second End Connection TypeTHREADED EXTERNAL PIPE
Second End Relationship with First EndNOT IDENTICAL
First End Connection TypeTHREADED INTERNAL PIPE
First End Thread DirectionRIGHT-HAND
Second End Style DesignatorPLAIN
First End Nominal Pipe Size Accommodated1.000 INCHES IN
End Connection Quantity2
First End Style DesignatorPLAIN
Flow Control DeviceDISK, TOP GUIDED
Valve Operation MethodWHEEL
MaterialCOPPER ALLOY 922 BODY
MaterialCOPPER ALLOY 922 SEAT
MaterialCOPPER ALLOY 922 FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-036-3174 INTERCHANGEABLE
Mount,resilient,weapon System
4520-00-277-7504 INTERCHANGEABLE
Valve,radiator,heating
4520-00-277-7507 INTERCHANGEABLE
Valve,radiator,heating
2990-00-511-7629 INTERCHANGEABLE
Yoke,governor
5805-00-537-7731SCB26497 INTERCHANGEABLE
Marker,cable
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-01-178-47184-099 INTERCHANGEABLE
Thermometer,indicating,capillary
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
4820-01-238-59431812K26 INTERCHANGEABLE
Valve,globe
Mcmaster-Carr Supply Co
6515-01-354-59404270 INTERCHANGEABLE
Lead,pacemaker,cardiac
Cardiac Pacemakers Inc
9390-01-364-3736316008 INTERCHANGEABLE
Tape,reflective
Avionics Specialties, Inc.
5995-01-372-30774270-1 INTERCHANGEABLE
Cable Assembly
Tech Resources, Inc
Cross-Reference Index
Part NumberManufacturer
4270 Crane Co Div Valve Div (USA)
FIGURE4270 Crane Co Div Valve Div (USA)
Related Parts
5342-00-036-3174INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4520-00-277-7504INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-277-7507INTERCHANGEABLE
VALVE,RADIATOR,HEATING
2990-00-511-7629INTERCHANGEABLE
YOKE,GOVERNOR
5805-00-537-7731INTERCHANGEABLE
MARKER,CABLE
SCB26497
6685-01-178-4718INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
4-099
4820-01-238-5943INTERCHANGEABLE
VALVE,GLOBE
1812K26
6515-01-354-5940INTERCHANGEABLE
LEAD,PACEMAKER,CARDIAC
4270
9390-01-364-3736INTERCHANGEABLE
TAPE,REFLECTIVE
316008
5995-01-372-3077INTERCHANGEABLE
CABLE ASSEMBLY
4270-1
4940-01-478-0010INTERCHANGEABLE
ELBOW,STREET,PARTS,
4270
6515-01-554-5673INTERCHANGEABLE
FORCEPS,HEMOSTATIC
NA1400

Frequently Asked Questions

What is NSN 4520-00-277-7506?

NSN 4520-00-277-7506 is a Valve,radiator,heating, manufactured by Crane Co Div Valve Div, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-277-7506?

NSN 4520-00-277-7506 has 2 cross-referenced part numbers: 4270 (Crane Co Div Valve Div), FIGURE4270 (Crane Co Div Valve Div).

What NSN replaces 4520-00-277-7506?

There are 12 known substitutes for 4520-00-277-7506: 5342-00-036-3174, 4520-00-277-7504, 4520-00-277-7507 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4270?

Key specifications for 4270: Media for Which Designed: STEAM; Material: COPPER ALLOY 922 STEM; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Second End Nominal Pipe Size Accommodated: 1.000 INCHES IN. 19 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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