PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3698Stem,fluid Valve

Lawler Manufacturing Company, Inc. · NSN 4820-01-465-5519 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-465-5519 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-465-5519. Primary manufacturer part number: 3698.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: FLATTED
  • Valve Size for Which Designed: 2.500 INCHES IN
  • Material: STEEL CORROSION RESISTING
  • Valve Type for Which Designed: REGULATOR
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-465-5519, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-01-465-5519
Primary Part Number3698
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Stem Actuating End TypeFLATTED
Valve Size for Which Designed2.500 INCHES IN
MaterialSTEEL CORROSION RESISTING
Valve Type for Which DesignedREGULATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-033-025111-3698 INTERCHANGEABLE
Remover,electrical Contact
Amphenol Corp Div Amphenol Aerospace Operations
4720-00-278-1091 INTERCHANGEABLE
Hose,metallic
4920-00-545-1065 INTERCHANGEABLE
Jig,drill,aircraft Engine Mainte
5120-01-116-61173698 INTERCHANGEABLE
Removal Tool,connector Fiber Opt
Daniels Manufacturing Corporation
5330-01-275-05193698 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
4730-01-333-19023698 INTERCHANGEABLE
Adapter,straight,pipe to Hose
The Walworth Company
6685-01-338-49071327D INTERCHANGEABLE
Tester,pressure Gage
High Vacuum Equipment Corp
4820-01-465-55341446-1 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
4820-01-465-5542S2 1-2-50T90-15FT INTERCHANGEABLE
Valve,regulating,fluid Pressure
Lawler Manufacturing Company, Inc.
4820-01-465-56391321 INTERCHANGEABLE
Disk,valve
Lawler Manufacturing Company, Inc.
Cross-Reference Index
Part NumberManufacturer
1327-D Lawler Manufacturing Company, Inc. (USA)
3698 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
5120-00-033-0251INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
11-3698
4720-00-278-1091INTERCHANGEABLE
HOSE,METALLIC
4920-00-545-1065INTERCHANGEABLE
JIG,DRILL,AIRCRAFT ENGINE MAINTE
5120-01-116-6117INTERCHANGEABLE
REMOVAL TOOL,CONNECTOR FIBER OPT
3698
5330-01-275-0519INTERCHANGEABLE
SEAL,PLAIN ENCASED
3698
4730-01-333-1902INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
3698
6685-01-338-4907INTERCHANGEABLE
TESTER,PRESSURE GAGE
1327D
4820-01-465-5534INTERCHANGEABLE
SEAT,VALVE
1446-1
4820-01-465-5542INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
S2 1-2-50T90-15FT
4820-01-465-5639INTERCHANGEABLE
DISK,VALVE
1321
4820-01-465-5683INTERCHANGEABLE
SEAT,VALVE
1446-2
6515-01-554-8778INTERCHANGEABLE
GAUGE,MIRROR ADJUST
K2011029

Frequently Asked Questions

What is NSN 4820-01-465-5519?

NSN 4820-01-465-5519 is a Stem,fluid Valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-465-5519?

NSN 4820-01-465-5519 has 2 cross-referenced part numbers: 1327-D (Lawler Manufacturing Company, Inc.), 3698 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-01-465-5519?

There are 12 known substitutes for 4820-01-465-5519: 5120-00-033-0251, 4720-00-278-1091, 4920-00-545-1065 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3698?

Key specifications for 3698: Stem Actuating End Type: FLATTED; Valve Size for Which Designed: 2.500 INCHES IN; Overall Length: 6.500 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 7 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