PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5981LDisk,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-00-602-3059 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-602-3059 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-602-3059. Primary manufacturer part number: 5981L.
Features
  • Disk,valve — FSC 4820
  • Inside Diameter: 1.500 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: RUBBER SYNTHETIC
  • Outside Diameter: 5.285 INCHES MAXIMUM IN
  • 3 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 Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-602-3059, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-602-3059
Primary Part Number5981L
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Inside Diameter1.500 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialRUBBER SYNTHETIC
Outside Diameter5.285 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-147-3005 INTERCHANGEABLE
Ring,mating
5935-00-192-4764 INTERCHANGEABLE
Plug,telephone
5340-00-200-5942598-1 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
2805-00-361-99544005981 INTERCHANGEABLE
Plate,guide Pushrod
Agco Corp Parts Opn
6625-01-022-8217 INTERCHANGEABLE
Lead,test
6130-01-201-77965981 INTERCHANGEABLE
Power Supply
Video Display Corporation
4940-01-347-762259-81 INTERCHANGEABLE
Bottle,plastic
Itw Industrial Finishing Dba Binks Devilbiss
6515-01-559-9722453563479821 INTERCHANGEABLE
Patient Module,electrocardiograp
Philips Medical Systems Na Inc
Cross-Reference Index
Part NumberManufacturer
72000PC26 Lawler Manufacturing Company, Inc. (USA)
5981 Lawler Manufacturing Company, Inc. (USA)
5981L PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4320-00-147-3005INTERCHANGEABLE
RING,MATING
5935-00-192-4764INTERCHANGEABLE
PLUG,TELEPHONE
5340-00-200-5942INTERCHANGEABLE
CLAMP,LOOP
598-1
2805-00-361-9954INTERCHANGEABLE
PLATE,GUIDE PUSHROD
4005981
6625-01-022-8217INTERCHANGEABLE
LEAD,TEST
6130-01-201-7796INTERCHANGEABLE
POWER SUPPLY
5981
4940-01-347-7622INTERCHANGEABLE
BOTTLE,PLASTIC
59-81
6515-01-559-9722INTERCHANGEABLE
PATIENT MODULE,ELECTROCARDIOGRAP
453563479821

Frequently Asked Questions

What is NSN 4820-00-602-3059?

NSN 4820-00-602-3059 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 4820-00-602-3059?

NSN 4820-00-602-3059 has 3 cross-referenced part numbers: 72000PC26 (Lawler Manufacturing Company, Inc.), 5981 (Lawler Manufacturing Company, Inc.), 5981L (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-00-602-3059?

There are 8 known substitutes for 4820-00-602-3059: 4320-00-147-3005, 5935-00-192-4764, 5340-00-200-5942 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5981L?

Key specifications for 5981L: Inside Diameter: 1.500 INCHES NOMINAL IN; Style Designator: PLAIN; Material: RUBBER SYNTHETIC; Overall Height: 0.562 INCHES NOMINAL IN. 5 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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