PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N51415 PIECE 5,3 3IN GLB STP VLVStem,fluid Valve

Walworth Co Marine Div · NSN 4820-01-218-6776 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-6776 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-6776. Primary manufacturer part number: N51415 PIECE 5,3 3IN GLB STP VLV.
Features
  • Stem,fluid Valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Walworth Co Marine Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-218-6776, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Walworth Co Marine Div. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-218-6776
Primary Part NumberN51415 PIECE 5,3 3IN GLB STP VLV
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWalworth Co Marine Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-103-1558721806-110 INTERCHANGEABLE
Switch,push
Raytheon Company Div Rmd Strategic
5950-00-236-557330217 INTERCHANGEABLE
Reactor
Astec America Inc.
5805-00-999-3939 INTERCHANGEABLE
Tone Reciever Board
5940-01-096-0791011-2024-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
6220-01-103-633032461 INTERCHANGEABLE
Panel,indicating,light Transmitt
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-01-174-891730217 INTERCHANGEABLE
Bearing,roller,tapered
Koellmann Gear Corp Dba Koellmann Gear Corp
5365-01-417-733630217 INTERCHANGEABLE
Spacer,sleeve
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
4820-01-539-519385FC55M-140/100PSI INTERCHANGEABLE
Valve,safety Relief
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4710-01-649-248930217 INTERCHANGEABLE
Pipe Assembly,metal
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
N51415 PIECE 5,3 3IN GLB STP VLV Walworth Co Marine Div (USA)
30217 Walworth Co Marine Div (USA)
Related Parts
5930-00-103-1558INTERCHANGEABLE
SWITCH,PUSH
721806-110
5950-00-236-5573INTERCHANGEABLE
REACTOR
30217
5805-00-999-3939INTERCHANGEABLE
TONE RECIEVER BOARD
5940-01-096-0791INTERCHANGEABLE
TERMINAL,FEEDTHRU
011-2024-00-0-479
6220-01-103-6330INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
32461
3110-01-174-8917INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30217
5365-01-417-7336INTERCHANGEABLE
SPACER,SLEEVE
30217
4820-01-539-5193INTERCHANGEABLE
VALVE,SAFETY RELIEF
85FC55M-140/100PSI
4710-01-649-2489INTERCHANGEABLE
PIPE ASSEMBLY,METAL
30217

Frequently Asked Questions

What is NSN 4820-01-218-6776?

NSN 4820-01-218-6776 is a Stem,fluid Valve, manufactured by Walworth Co Marine Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-218-6776?

NSN 4820-01-218-6776 has 2 cross-referenced part numbers: N51415 PIECE 5,3 3IN GLB STP VLV (Walworth Co Marine Div), 30217 (Walworth Co Marine Div).

What NSN replaces 4820-01-218-6776?

There are 9 known substitutes for 4820-01-218-6776: 5930-00-103-1558, 5950-00-236-5573, 5805-00-999-3939 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N51415 PIECE 5,3 3IN GLB STP VLV?

Key specifications for N51415 PIECE 5,3 3IN GLB STP VLV: Special Features: NICKEL COPPER ALLOY;STEM AND DISK INTEGRAL;90664 302171 STEM;90664 735551 DISK. 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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