PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

255776 PIECE 1THRU31Tool Kit,ball Valve

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 4820-01-273-2700 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-273-2700 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-273-2700. Primary manufacturer part number: 255776 PIECE 1THRU31.
Features
  • Tool Kit,ball Valve — FSC 4820
  • General Characteristics Item Description: FLANGE 5; PULLER 3; RETRACTOR 10; WRENCH 3
  • 3 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 Tool Kit,ball Valve, cataloged under National Stock Number 4820-01-273-2700, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN4820-01-273-2700
Primary Part Number255776 PIECE 1THRU31
Item NameTool Kit,ball Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
General Characteristics Item DescriptionFLANGE 5; PULLER 3; RETRACTOR 10; WRENCH 3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-408-2410C410C-75-447-S INTERCHANGEABLE
Clamp,hose
Clampco Products, Inc.
Cross-Reference Index
Part NumberManufacturer
255776PC1T031 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
255776 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
255776 PIECE 1THRU31 PRIMARY Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
4730-00-408-2410INTERCHANGEABLE
CLAMP,HOSE
C410C-75-447-S

Frequently Asked Questions

What is NSN 4820-01-273-2700?

NSN 4820-01-273-2700 is a Tool Kit,ball Valve, 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 4820-01-273-2700?

NSN 4820-01-273-2700 has 3 cross-referenced part numbers: 255776PC1T031 (Huntington Ingalls Inc Div Newport News Shipbuilding), 255776 (Huntington Ingalls Inc Div Newport News Shipbuilding), 255776 PIECE 1THRU31 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 4820-01-273-2700?

There is 1 known substitute for 4820-01-273-2700: 4730-00-408-2410. Verify interchangeability with system specifications before substitution.

What are the specifications of 255776 PIECE 1THRU31?

Key specifications for 255776 PIECE 1THRU31: General Characteristics Item Description: FLANGE 5; PULLER 3; RETRACTOR 10; WRENCH 3. 1 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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