PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-2177525-C121AFValve,angle

Naval Ship Systems Command · NSN 4820-01-506-1247 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-1247 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-1247. Primary manufacturer part number: 803-2177525-C121AF.
Features
  • Valve,angle — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-506-1247, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-506-1247
Primary Part Number803-2177525-C121AF
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-145-7360 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
803-2177525-C121AF Naval Ship Systems Command (USA)
Related Parts
4820-00-145-7360INTERCHANGEABLE
VALVE,ANGLE

Frequently Asked Questions

What is NSN 4820-01-506-1247?

NSN 4820-01-506-1247 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-506-1247?

NSN 4820-01-506-1247 has 1 cross-referenced part number: 803-2177525-C121AF (Naval Ship Systems Command).

What NSN replaces 4820-01-506-1247?

There is 1 known substitute for 4820-01-506-1247: 4820-00-145-7360. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-2177525-C121AF?

Key specifications for 803-2177525-C121AF: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION; Criticality Code Justification: ZZZY. 2 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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