PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6474NValve,angle

Parts Center · NSN 4820-00-277-1713 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-277-1713 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-277-1713. Primary manufacturer part number: 6474N.
Features
  • Valve,angle — FSC 4820
  • Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Operation Method: MANUAL
  • Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Material Document and Classification: QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Material: COPPER ALLOY 377 SEAT
  • Style Designator: ANGLE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 377 Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-277-1713, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parts Center. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-277-1713
Primary Part Number6474N
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParts Center
StatusACTIVE
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation MethodMANUAL
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StyleSOCKET (TUBE) ALL ENDS
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 377 SEAT
Style DesignatorANGLE
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Bonnet Attachment MethodTHREADED
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE STEM
Bonnet TypeINSIDE SCREW
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 377 BODY
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Media for Which DesignedREFRIGERANT 12 FIRST RESPONSE
Flow Control DeviceDISK
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-291-5443 INTERCHANGEABLE
Spring,helical,compression
5360-01-150-9193 INTERCHANGEABLE
Spring,switch
9340-01-226-2660 INTERCHANGEABLE
Window,observation
2530-01-458-1267HR832 INTERCHANGEABLE
Hub,wheel,vehicular
Kelsey-Hayes Co Gunite Div
2530-01-458-1273HR821K1 INTERCHANGEABLE
Hub,wheel,vehicular
Kelsey-Hayes Co Gunite Div
4240-01-506-9884 INTERCHANGEABLE
Assembly,harness
Cross-Reference Index
Part NumberManufacturer
6474N Parts Center (GBR)
426L64130-M00 ITEM 31 Johnson Controls Ltd, York Navy Systems (GBR)
6474N Henry Technologies, Inc. (USA)
6474N Henry Technologies Limited (GBR)
268L64430-M00 Johnson Controls Ltd, York Navy Systems (GBR)
MIL-DTL-20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILV20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-20064 TYPE 3, CLASS 1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
068L601/Y/875 Johnson Controls Ltd, York Navy Systems (GBR)
376L602/TE.707 ITEM 8 Johnson Controls Ltd, York Navy Systems (GBR)
SK5058NPC6474 Henry Technologies, Inc. (USA)
ASC1177047 Asc Pty Ltd (AUS)
6474 Henry Technologies, Inc. (USA)
6474N Henry Technologies, Inc. (USA)
376L602/TE.707/8 Johnson Controls Ltd, York Navy Systems (GBR)
55400S5900-871189ALT4PC6474N Naval Ship Systems Command (USA)
005418313/8 Ministry of Defence (navy) Ships Support Agency (GBR)
005418313 ITEM 8 Ministry of Defence (navy) Ships Support Agency (GBR)
6474 Parts Center (GBR)
Related Parts
5360-00-291-5443INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-01-150-9193INTERCHANGEABLE
SPRING,SWITCH
9340-01-226-2660INTERCHANGEABLE
WINDOW,OBSERVATION
2530-01-458-1267INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
HR832
2530-01-458-1273INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
HR821K1
4240-01-506-9884INTERCHANGEABLE
ASSEMBLY,HARNESS

Frequently Asked Questions

What is NSN 4820-00-277-1713?

NSN 4820-00-277-1713 is a Valve,angle, manufactured by Parts Center, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-277-1713?

NSN 4820-00-277-1713 has 19 cross-referenced part numbers: 6474N (Parts Center), 426L64130-M00 ITEM 31 (Johnson Controls Ltd, York Navy Systems), 6474N (Henry Technologies, Inc.), 6474N (Henry Technologies Limited), 268L64430-M00 (Johnson Controls Ltd, York Navy Systems) and 14 more.

What NSN replaces 4820-00-277-1713?

There are 6 known substitutes for 4820-00-277-1713: 5360-00-291-5443, 5360-01-150-9193, 9340-01-226-2660 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6474N?

Key specifications for 6474N: Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Operation Method: MANUAL; Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: SOCKET (TUBE) ALL ENDS. 18 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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