PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1 1/2 E-325Valve,ball

Mccanna Inc Dba Marpac Inc · NSN 4820-01-445-5879 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-445-5879 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-445-5879. Primary manufacturer part number: 1 1/2 E-325.
Features
  • Valve,ball — FSC 4820
  • Material: STEEL BODY
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Material: STEEL FLOW CONTROL DEVICE
  • 2 verified cross-references
  • Primary manufacturer: Mccanna Inc Dba Marpac Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-445-5879, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mccanna Inc Dba Marpac Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-445-5879
Primary Part Number1 1/2 E-325
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMccanna Inc Dba Marpac Inc
StatusACTIVE
MaterialSTEEL BODY
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
MaterialSTEEL FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
8455-01-048-3001 INTERCHANGEABLE
Insignia,grade,enlisted Personne
5950-01-106-532513032 INTERCHANGEABLE
Transformer,audio Frequency
Standex Electronics, Inc.
5925-01-387-6510B325 INTERCHANGEABLE
Circuit Breaker
Siemens Energy and Automation Inc Ite Circuit Protection Div
7240-01-648-0979B325 INTERCHANGEABLE
Pail,utility
Behrens Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
1 1/2 E-325 Mccanna Inc Dba Marpac Inc (USA)
B-325 Mark Controls Corp Pacific Valves Div (USA)
Related Parts
8455-01-048-3001INTERCHANGEABLE
INSIGNIA,GRADE,ENLISTED PERSONNE
5950-01-106-5325INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
13032
5925-01-387-6510INTERCHANGEABLE
CIRCUIT BREAKER
B325
7240-01-648-0979INTERCHANGEABLE
PAIL,UTILITY
B325

Frequently Asked Questions

What is NSN 4820-01-445-5879?

NSN 4820-01-445-5879 is a Valve,ball, manufactured by Mccanna Inc Dba Marpac Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-445-5879?

NSN 4820-01-445-5879 has 2 cross-referenced part numbers: 1 1/2 E-325 (Mccanna Inc Dba Marpac Inc), B-325 (Mark Controls Corp Pacific Valves Div).

What NSN replaces 4820-01-445-5879?

There are 4 known substitutes for 4820-01-445-5879: 8455-01-048-3001, 5950-01-106-5325, 5925-01-387-6510 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1 1/2 E-325?

Key specifications for 1 1/2 E-325: Material: STEEL BODY; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; End Item Identification: STATEGIC SEALIFT CONVERION SHIPS CLASS. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com