PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177525-C1B1AFValve,angle

Naval Ship Systems Command · NSN 4820-00-145-7360 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-145-7360 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-145-7360. Primary manufacturer part number: 803-2177525-C1B1AF.
Features
  • Valve,angle — FSC 4820
  • Bonnet Attachment Method: BOLTED
  • Material: STEEL CORROSION RESISTING SEAT
  • Flow Control Device: DISK
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Valve Operation Method: MANUAL
  • Material: STEEL STEM
  • Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-145-7360, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-145-7360
Primary Part Number803-2177525-C1B1AF
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Bonnet Attachment MethodBOLTED
MaterialSTEEL CORROSION RESISTING SEAT
Flow Control DeviceDISK
Bonnet TypeOUTSIDE SCREW-YOKE
Valve Operation MethodMANUAL
MaterialSTEEL STEM
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Operating Pressure900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE
Features ProvidedBONNET PACKING
Criticality Code JustificationZZZY
Test Data Document80064-810-2177525 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MaterialSTEEL COMP 1010 AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Connection StyleSOCKET FIRST END
MaterialSTEEL COMP 1010 BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4820-01-506-1247 INTERCHANGEABLE
Valve,angle
4820-01-554-0912803-2177525-C1B1AF INTERCHANGEABLE
Valve,angle
Naval Ship Systems Command
4820-01-609-7053 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
803-2177525-C1B1AF Naval Ship Systems Command (USA)
803-2177525-C121AF Naval Ship Systems Command (USA)
803-2177525-C121AFL1 Naval Inventory Control Point Mechanicsburg (USA)
803-2177525-C1B1AFL1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4820-01-506-1247INTERCHANGEABLE
VALVE,ANGLE
4820-01-554-0912INTERCHANGEABLE
VALVE,ANGLE
803-2177525-C1B1AF
4820-01-609-7053INTERCHANGEABLE
VALVE,ANGLE

Frequently Asked Questions

What is NSN 4820-00-145-7360?

NSN 4820-00-145-7360 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-145-7360?

NSN 4820-00-145-7360 has 4 cross-referenced part numbers: 803-2177525-C1B1AF (Naval Ship Systems Command), 803-2177525-C121AF (Naval Ship Systems Command), 803-2177525-C121AFL1 (Naval Inventory Control Point Mechanicsburg), 803-2177525-C1B1AFL1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-00-145-7360?

There are 3 known substitutes for 4820-00-145-7360: 4820-01-506-1247, 4820-01-554-0912, 4820-01-609-7053. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177525-C1B1AF?

Key specifications for 803-2177525-C1B1AF: Bonnet Attachment Method: BOLTED; Material: STEEL CORROSION RESISTING SEAT; Flow Control Device: DISK; Bonnet Type: OUTSIDE SCREW-YOKE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-145-7360 still in active supply?

NSN 4820-00-145-7360 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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