PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500025-01RH-1Gear Operator,valve

Tri-Tec Manufacturing Llc · NSN 4820-01-371-0495 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-371-0495 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-371-0495. Primary manufacturer part number: 500025-01RH-1.
Features
  • Gear Operator,valve — FSC 4820
  • Gear Type: WORM
  • Features Provided: HANDWHEEL
  • 5 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Operator,valve, cataloged under National Stock Number 4820-01-371-0495, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-371-0495
Primary Part Number500025-01RH-1
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Gear TypeWORM
Features ProvidedHANDWHEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-280-4465 INTERCHANGEABLE
Fuse,cartridge
5930-00-835-8289500025 INTERCHANGEABLE
Switch Assembly
North Atlantic Industries, Inc. Dba North Atlantic Industries
5310-01-088-8960530454-10 INTERCHANGEABLE
Washer,spring Tension
Raytheon Company Dba Raytheon
5961-01-276-87701978067-115 INTERCHANGEABLE
Semiconductor Device,thyristor
Northrop Grumman Systems Corporation
6625-01-327-8377500025 INTERCHANGEABLE
Ammeter
Pacific Power Source Inc
5998-01-384-6045 INTERCHANGEABLE
Printed Circuit Board
6130-01-399-7490100513 INTERCHANGEABLE
Rectifier Assembly,metallic
Dynarad
4220-01-544-0314500-025 INTERCHANGEABLE
Mask,diver's
Kirby Morgan Dive Systems Inc
4820-01-641-6305500025-01RH-2 INTERCHANGEABLE
Gear Operator,valve
Tri-Tec Manufacturing Llc
4820-01-649-0374500025-02LH-2 INTERCHANGEABLE
Gear Operator,valve
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
300184 ASSY 500025 Tri-Tec Manufacturing Llc (USA)
500025 Tri-Tec Manufacturing, Llc (USA)
300184 ASSY 500025 Tri-Tec Manufacturing, Llc (USA)
500025-01RH-1 Tri-Tec Manufacturing, Llc (USA)
500025-01RH-1 PRIMARY Tri-Tec Manufacturing Llc (USA)
Related Parts
5920-00-280-4465INTERCHANGEABLE
FUSE,CARTRIDGE
5930-00-835-8289INTERCHANGEABLE
SWITCH ASSEMBLY
500025
5310-01-088-8960INTERCHANGEABLE
WASHER,SPRING TENSION
530454-10
5961-01-276-8770INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
1978067-115
6625-01-327-8377INTERCHANGEABLE
AMMETER
500025
5998-01-384-6045INTERCHANGEABLE
PRINTED CIRCUIT BOARD
6130-01-399-7490INTERCHANGEABLE
RECTIFIER ASSEMBLY,METALLIC
100513
4220-01-544-0314INTERCHANGEABLE
MASK,DIVER'S
500-025
4820-01-641-6305INTERCHANGEABLE
GEAR OPERATOR,VALVE
500025-01RH-2
4820-01-649-0374INTERCHANGEABLE
GEAR OPERATOR,VALVE
500025-02LH-2
5340-01-666-7679INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
5000-25
4820-01-687-4791INTERCHANGEABLE
GEAR OPERATOR,VALVE
500025-02LH-1

Frequently Asked Questions

What is NSN 4820-01-371-0495?

NSN 4820-01-371-0495 is a Gear Operator,valve, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-371-0495?

NSN 4820-01-371-0495 has 5 cross-referenced part numbers: 300184 ASSY 500025 (Tri-Tec Manufacturing Llc), 500025 (Tri-Tec Manufacturing, Llc), 300184 ASSY 500025 (Tri-Tec Manufacturing, Llc), 500025-01RH-1 (Tri-Tec Manufacturing, Llc), 500025-01RH-1 (Tri-Tec Manufacturing Llc).

What NSN replaces 4820-01-371-0495?

There are 12 known substitutes for 4820-01-371-0495: 5920-00-280-4465, 5930-00-835-8289, 5310-01-088-8960 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500025-01RH-1?

Key specifications for 500025-01RH-1: Gear Type: WORM; Features Provided: HANDWHEEL; End Item Identification: VALVES,NONPOWERED. 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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