PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-643Seat,valve

Hardie-Tynes Co., Inc. · NSN 4820-01-230-8961 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-230-8961 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-230-8961. Primary manufacturer part number: 60-643.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Hardie-Tynes Co., Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-230-8961, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-230-8961
Primary Part Number60-643
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5995-00-097-039260643 INTERCHANGEABLE
Cord Assembly,electrical
Mirion Technologies (canberra), Inc.
9540-00-145-5815 INTERCHANGEABLE
Angle,structural
5330-00-285-83990606910-8 INTERCHANGEABLE
Seal,plain Encased
New Holland Construction
2810-00-413-176760643 INTERCHANGEABLE
Pin,starter Jaw
Textron Lycoming Inc Williamsport Plant
2825-00-838-9242 INTERCHANGEABLE
Valve,governor
8465-01-543-166360643 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
7030-01-680-577660643 INTERCHANGEABLE
Software
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
60-643 Hardie-Tynes Co., Inc. (USA)
60-643 PIECE 846 Hardie-Tynes Co., Inc. (USA)
643-846 Hardie-Tynes Co., Inc. (USA)
Related Parts
5995-00-097-0392INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
60643
9540-00-145-5815INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-285-8399INTERCHANGEABLE
SEAL,PLAIN ENCASED
0606910-8
2810-00-413-1767INTERCHANGEABLE
PIN,STARTER JAW
60643
2825-00-838-9242INTERCHANGEABLE
VALVE,GOVERNOR
8465-01-543-1663INTERCHANGEABLE
HYDRATION SYSTEM
60643
7030-01-680-5776INTERCHANGEABLE
SOFTWARE
60643

Frequently Asked Questions

What is NSN 4820-01-230-8961?

NSN 4820-01-230-8961 is a Seat,valve, manufactured by Hardie-Tynes Co., Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-230-8961?

NSN 4820-01-230-8961 has 3 cross-referenced part numbers: 60-643 (Hardie-Tynes Co., Inc.), 60-643 PIECE 846 (Hardie-Tynes Co., Inc.), 643-846 (Hardie-Tynes Co., Inc.).

What NSN replaces 4820-01-230-8961?

There are 7 known substitutes for 4820-01-230-8961: 5995-00-097-0392, 9540-00-145-5815, 5330-00-285-8399 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60-643?

Key specifications for 60-643: Material: STEEL OVERALL. 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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