PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165-03Seat,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-218-6680 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-6680 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-6680. Primary manufacturer part number: 165-03.
Features
  • Seat,valve — FSC 4820
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • 2 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 Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-218-6680, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-218-6680
Primary Part Number165-03
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-383-198516503 INTERCHANGEABLE
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3040-00-834-108516503 INTERCHANGEABLE
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Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5998-01-118-1691 INTERCHANGEABLE
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5330-01-126-096516-503 INTERCHANGEABLE
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Rix Industries
6515-01-589-787160.240.205 INTERCHANGEABLE
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Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
7025-01-616-484316503 INTERCHANGEABLE
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Extreme Networks, Inc
5440-01-729-766416503 INTERCHANGEABLE
Ladder,extension
Atlas Devices, Llc Div Atlas Devices
Cross-Reference Index
Part NumberManufacturer
165-03 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
165-03VM Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5330-00-383-1985INTERCHANGEABLE
GASKET
16503
5310-00-630-5006INTERCHANGEABLE
NUT,PLAIN,SQUARE
A16503
3040-00-834-1085INTERCHANGEABLE
SHAFT,SHOULDERED
16503
5998-01-118-1691INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5330-01-126-0965INTERCHANGEABLE
GASKET
16-503
6515-01-589-7871INTERCHANGEABLE
RACK,BONE PLATING INSTRUMENTS
60.240.205
7025-01-616-4843INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
16503
5440-01-729-7664INTERCHANGEABLE
LADDER,EXTENSION
16503

Frequently Asked Questions

What is NSN 4820-01-218-6680?

NSN 4820-01-218-6680 is a Seat,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 4820-01-218-6680?

NSN 4820-01-218-6680 has 2 cross-referenced part numbers: 165-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 165-03VM (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-218-6680?

There are 8 known substitutes for 4820-01-218-6680: 5330-00-383-1985, 5310-00-630-5006, 3040-00-834-1085 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 165-03?

Key specifications for 165-03: Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 2 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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