PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300326Retainer,seat,valve

Tri-Tec Manufacturing Llc · NSN 4820-01-631-9680 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-631-9680 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-631-9680. Primary manufacturer part number: 300326.
Features
  • Retainer,seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,seat,valve, cataloged under National Stock Number 4820-01-631-9680, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-631-9680
Primary Part Number300326
Item NameRetainer,seat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-059-532710861316-1 INTERCHANGEABLE
Washer,convex
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-518-1188 INTERCHANGEABLE
Coil,radio Frequency
1630-01-242-7815300-326 INTERCHANGEABLE
Wheel Assembly,aircraft
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5945-01-249-4755PZ2-A2410-DG12V INTERCHANGEABLE
Relay,reed
L3harris Technologies, Inc. Dba Harris Corporation
Cross-Reference Index
Part NumberManufacturer
301308FIND17 Tri-Tec Manufacturing Llc (USA)
300326 PRIMARY Tri-Tec Manufacturing Llc (USA)
Related Parts
5310-00-059-5327INTERCHANGEABLE
WASHER,CONVEX
10861316-1
5950-00-518-1188INTERCHANGEABLE
COIL,RADIO FREQUENCY
1630-01-242-7815INTERCHANGEABLE
WHEEL ASSEMBLY,AIRCRAFT
300-326
5945-01-249-4755INTERCHANGEABLE
RELAY,REED
PZ2-A2410-DG12V

Frequently Asked Questions

What is NSN 4820-01-631-9680?

NSN 4820-01-631-9680 is a Retainer,seat,valve, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-631-9680?

NSN 4820-01-631-9680 has 2 cross-referenced part numbers: 301308FIND17 (Tri-Tec Manufacturing Llc), 300326 (Tri-Tec Manufacturing Llc).

What NSN replaces 4820-01-631-9680?

There are 4 known substitutes for 4820-01-631-9680: 5310-00-059-5327, 5950-00-518-1188, 1630-01-242-7815 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300326?

Key specifications for 300326: End Item Identification: FIRE SEAL BUTTERFLY VALVE; Part Name Assigned by Controlling Agency: RETAINER, RING. 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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