PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1683-01Disk,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-515-7140 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-515-7140 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-515-7140. Primary manufacturer part number: 1683-01.
Features
  • Disk,valve — FSC 4820
  • Material: PLASTIC ACETAL
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Acetal construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-515-7140, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-01-515-7140
Primary Part Number1683-01
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialPLASTIC ACETAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-368-8304168301 INTERCHANGEABLE
Hose Assembly,nonmetallic
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5950-01-178-2614C5011 INTERCHANGEABLE
Coil,radio Frequency
Oeco, Llc
5935-01-216-22206405284-1 INTERCHANGEABLE
Connector Body,plug,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5330-01-240-2553168301 INTERCHANGEABLE
Gasket
Dresser, Llc
5995-01-477-4616168101 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-515-714840611 PC NO 31 INTERCHANGEABLE
Stem,needle Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-716240611-8 PC NO 30 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-716540611-8 PC NO 26 INTERCHANGEABLE
Ring,valve Piston
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-717540611-8 PC NO 25 INTERCHANGEABLE
Piston,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-515-718340611-8 PC NO 22 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40611-8 PC NO 33 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1683-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1681-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40611-8 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4720-00-368-8304INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
168301
5950-01-178-2614INTERCHANGEABLE
COIL,RADIO FREQUENCY
C5011
5935-01-216-2220INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
6405284-1
5330-01-240-2553INTERCHANGEABLE
GASKET
168301
5995-01-477-4616INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
168101
4820-01-515-7148INTERCHANGEABLE
STEM,NEEDLE VALVE
40611 PC NO 31
4820-01-515-7162INTERCHANGEABLE
SEAT,VALVE
40611-8 PC NO 30
4820-01-515-7165INTERCHANGEABLE
RING,VALVE PISTON
40611-8 PC NO 26
4820-01-515-7175INTERCHANGEABLE
PISTON,VALVE
40611-8 PC NO 25
4820-01-515-7183INTERCHANGEABLE
SEAT,VALVE
40611-8 PC NO 22
4820-01-515-7190INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50202-00
5360-01-516-1729INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1844-00

Frequently Asked Questions

What is NSN 4820-01-515-7140?

NSN 4820-01-515-7140 is a Disk,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-515-7140?

NSN 4820-01-515-7140 has 4 cross-referenced part numbers: 40611-8 PC NO 33 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1683-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1681-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40611-8 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-515-7140?

There are 12 known substitutes for 4820-01-515-7140: 4720-00-368-8304, 5950-01-178-2614, 5935-01-216-2220 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1683-01?

Key specifications for 1683-01: Special Features: DISC MAIN VALVE SEAT; Material: PLASTIC ACETAL; End Item Identification: E/I VALVE TEMPERATURE REGULATOR. 3 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