PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

268L62577-M00Valve,angle

Johnson Controls Ltd, York Navy Systems · NSN 4820-00-277-1714 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-277-1714 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-277-1714. Primary manufacturer part number: 268L62577-M00.
Features
  • Valve,angle — FSC 4820
  • Valve Operation Method: MANUAL
  • Material Document and Classification: QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Bonnet Type: INSIDE SCREW
  • Media for Which Designed: REFRIGERANT 12 FIRST RESPONSE
  • Material: COPPER ALLOY 377 SEAT
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES ALL ENDS IN
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 4820-00-277-1714, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Johnson Controls Ltd, York Navy Systems. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-277-1714
Primary Part Number268L62577-M00
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerJohnson Controls Ltd, York Navy Systems
StatusCANCELLED
Valve Operation MethodMANUAL
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
Bonnet TypeINSIDE SCREW
Media for Which DesignedREFRIGERANT 12 FIRST RESPONSE
MaterialCOPPER ALLOY 377 SEAT
Connection StyleSOCKET (TUBE) ALL ENDS
Nominal Outside Diameter Tube Accommodated0.625 INCHES ALL ENDS IN
MaterialCOPPER ALLOY 377 BODY
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Style DesignatorANGLE
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE STEM
Flow Control DeviceDISK
Bonnet Attachment MethodTHREADED
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Nondefinitive Spec/std Data3 TYPE AND 1 CLASS
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY 377 STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-252-9552L325-2334 INTERCHANGEABLE
Packing,preformed
Linear Dynamics Inc
4820-00-287-2598 INTERCHANGEABLE
Valve,angle
5330-00-291-962510455 INTERCHANGEABLE
Seal,plain Encased
Gaf Corp
5315-00-542-05656475 INTERCHANGEABLE
Pin,valve Sleeve
Eaton Corporation Div Eaton Fluid Power
6630-01-098-6475DCA317 INTERCHANGEABLE
Color Indicator Card
Gerin Corp Inc
9150-01-261-592156 INTERCHANGEABLE
Lubricating Oil,instrument
Whip-Mix Corp
5340-01-506-8832 INTERCHANGEABLE
Pics Hook Assembly
8145-01-564-84346475 INTERCHANGEABLE
Shipping and Storage Container,t
Tru-Stone Technologies
Cross-Reference Index
Part NumberManufacturer
268L62577-M00 Johnson Controls Ltd, York Navy Systems (GBR)
6475N Henry Technologies, Inc. (USA)
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
55400S5900-871189ALT4PC6475N Naval Ship Systems Command (USA)
6475 Henry Technologies, Inc. (USA)
13211E4120 Cecom Lr Center (USA)
SK5058NPC6475 Henry Technologies, Inc. (USA)
P204C Henry Technologies, Inc. (USA)
Related Parts
5330-00-252-9552INTERCHANGEABLE
PACKING,PREFORMED
L325-2334
4820-00-287-2598INTERCHANGEABLE
VALVE,ANGLE
5330-00-291-9625INTERCHANGEABLE
SEAL,PLAIN ENCASED
10455
5315-00-542-0565INTERCHANGEABLE
PIN,VALVE SLEEVE
6475
6630-01-098-6475INTERCHANGEABLE
COLOR INDICATOR CARD
DCA317
9150-01-261-5921INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
56
5340-01-506-8832INTERCHANGEABLE
PICS HOOK ASSEMBLY
8145-01-564-8434INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,T
6475

Frequently Asked Questions

What is NSN 4820-00-277-1714?

NSN 4820-00-277-1714 is a Valve,angle, manufactured by Johnson Controls Ltd, York Navy Systems, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-277-1714?

NSN 4820-00-277-1714 has 9 cross-referenced part numbers: 268L62577-M00 (Johnson Controls Ltd, York Navy Systems), 6475N (Henry Technologies, Inc.), 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), 55400S5900-871189ALT4PC6475N (Naval Ship Systems Command) and 4 more.

What NSN replaces 4820-00-277-1714?

There are 8 known substitutes for 4820-00-277-1714: 5330-00-252-9552, 4820-00-287-2598, 5330-00-291-9625 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 268L62577-M00?

Key specifications for 268L62577-M00: Valve Operation Method: MANUAL; Material Document and Classification: QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY; Bonnet Type: INSIDE SCREW; Media for Which Designed: REFRIGERANT 12 FIRST RESPONSE. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-277-1714 still in active supply?

NSN 4820-00-277-1714 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.
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