PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-4145Valve,ball

Pierce Manufacturing Inc · NSN 4820-01-561-4994 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-561-4994 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-4994. Primary manufacturer part number: 51-4145.
Features
  • Valve,ball — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Pierce Manufacturing Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-561-4994, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pierce Manufacturing Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-561-4994
Primary Part Number51-4145
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPierce Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-144-8662 INTERCHANGEABLE
Bearing,ball,annular
5330-00-291-6385 INTERCHANGEABLE
Seal,plain Encased
5962-00-539-9753 INTERCHANGEABLE
Microcircuit,digital
4710-00-758-922717530 INTERCHANGEABLE
Tube Assembly,metal
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5360-00-867-668217530 INTERCHANGEABLE
Spring,winch
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3030-01-179-326517530 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
4320-01-202-841801753-00 INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3030-01-286-323917530 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
5895-01-315-680317530 INTERCHANGEABLE
Decoder,audio Frequency
U S Dept of Transportation Federal Aviation Administration
7510-01-420-8078386-14B INTERCHANGEABLE
Binder,loose-Leaf
Acco Usa Inc Co
Cross-Reference Index
Part NumberManufacturer
51-4145 PRIMARY Pierce Manufacturing Inc (USA)
17530 PRIMARY Thrall Distribution (USA)
Related Parts
3110-00-144-8662INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-291-6385INTERCHANGEABLE
SEAL,PLAIN ENCASED
5962-00-539-9753INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4710-00-758-9227INTERCHANGEABLE
TUBE ASSEMBLY,METAL
17530
5360-00-867-6682INTERCHANGEABLE
SPRING,WINCH
17530
3030-01-179-3265INTERCHANGEABLE
BELT,V
17530
4320-01-202-8418INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
01753-00
3030-01-286-3239INTERCHANGEABLE
BELT,V
17530
5895-01-315-6803INTERCHANGEABLE
DECODER,AUDIO FREQUENCY
17530
7510-01-420-8078INTERCHANGEABLE
BINDER,LOOSE-LEAF
386-14B

Frequently Asked Questions

What is NSN 4820-01-561-4994?

NSN 4820-01-561-4994 is a Valve,ball, manufactured by Pierce Manufacturing Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-561-4994?

NSN 4820-01-561-4994 has 2 cross-referenced part numbers: 51-4145 (Pierce Manufacturing Inc), 17530 (Thrall Distribution).

What NSN replaces 4820-01-561-4994?

There are 10 known substitutes for 4820-01-561-4994: 3110-00-144-8662, 5330-00-291-6385, 5962-00-539-9753 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51-4145?

Key specifications for 51-4145: Special Features: BRONZE BALL VALVE, STAINLESS STEEL BALL WITH REINFORCED POLYTETRAFLUOROETHYLENE SEATS; WORKING PRESSURE 600 PSIG WOG; Part Name Assigned by Controlling Agency: VAKVE, BALL 1.00", MAN ACTUATED; End Item Identification: 2320-01-528-6294 TRUCK, TANK. 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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