PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2670-57 PC30Valve,angle

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 4820-01-149-8521 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-8521 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-8521. Primary manufacturer part number: 2670-57 PC30.
Features
  • Valve,angle — FSC 4820
  • Style Designator: ANGLE
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-149-8521, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4820-01-149-8521
Primary Part Number2670-57 PC30
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
Style DesignatorANGLE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-287-2598 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
2670-57 PC30 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
503-4556027 PC 30 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
6471-N Henry Technologies, Inc. (USA)
845-2445071ITEM30 Naval Ship Systems Command (USA)
Related Parts
4820-00-287-2598INTERCHANGEABLE
VALVE,ANGLE

Frequently Asked Questions

What is NSN 4820-01-149-8521?

NSN 4820-01-149-8521 is a Valve,angle, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-149-8521?

NSN 4820-01-149-8521 has 4 cross-referenced part numbers: 2670-57 PC30 (Huntington Ingalls Inc Div Newport News Shipbuilding), 503-4556027 PC 30 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6471-N (Henry Technologies, Inc.), 845-2445071ITEM30 (Naval Ship Systems Command).

What NSN replaces 4820-01-149-8521?

There is 1 known substitute for 4820-01-149-8521: 4820-00-287-2598. Verify interchangeability with system specifications before substitution.

What are the specifications of 2670-57 PC30?

Key specifications for 2670-57 PC30: Style Designator: ANGLE; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 3 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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