PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300-234-1911-31Seal,plain Encased

Dowty Inc · NSN 5330-01-645-7974 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-645-7974 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-645-7974. Primary manufacturer part number: 300-234-1911-31.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 21.5 INCHES NOMINAL IN
  • Material: RUBBER SEALING ELEMENT B
  • 3 verified cross-references
  • Primary manufacturer: Dowty Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-645-7974, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dowty Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-645-7974
Primary Part Number300-234-1911-31
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDowty Inc
StatusACTIVE
Seal Width21.5 INCHES NOMINAL IN
MaterialRUBBER SEALING ELEMENT B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-226-1196120075 INTERCHANGEABLE
Plug,pipe
Cone Drive Operations Inc
5935-00-256-8693 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5340-00-332-7612947153-75 INTERCHANGEABLE
Standoff,threaded,spacing
Raytheon Company Dba Raytheon
5355-00-407-5856 INTERCHANGEABLE
Scale,overlay,light
5120-00-965-06033001X INTERCHANGEABLE
Flint Tip,friction Igniter
Fuller G C Mfg Co Inc
5895-01-720-05581200-75 INTERCHANGEABLE
Amplifier-Modulator
Cross Technologies Inc Dba Cross Technologies Inc
Cross-Reference Index
Part NumberManufacturer
120075 Sun Test Systems B.v. (NLD)
120075 Astrite Pty Ltd (AUS)
300-234-1911-31 PRIMARY Dowty Inc (USA)
Related Parts
4730-00-226-1196INTERCHANGEABLE
PLUG,PIPE
120075
5935-00-256-8693INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5340-00-332-7612INTERCHANGEABLE
STANDOFF,THREADED,SPACING
947153-75
5355-00-407-5856INTERCHANGEABLE
SCALE,OVERLAY,LIGHT
5120-00-965-0603INTERCHANGEABLE
FLINT TIP,FRICTION IGNITER
3001X
5895-01-720-0558INTERCHANGEABLE
AMPLIFIER-MODULATOR
1200-75

Frequently Asked Questions

What is NSN 5330-01-645-7974?

NSN 5330-01-645-7974 is a Seal,plain Encased, manufactured by Dowty Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-645-7974?

NSN 5330-01-645-7974 has 3 cross-referenced part numbers: 120075 (Sun Test Systems B.v.), 120075 (Astrite Pty Ltd), 300-234-1911-31 (Dowty Inc).

What NSN replaces 5330-01-645-7974?

There are 6 known substitutes for 5330-01-645-7974: 4730-00-226-1196, 5935-00-256-8693, 5340-00-332-7612 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-234-1911-31?

Key specifications for 300-234-1911-31: Seal Width: 21.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: BONDED SEAL; Material: RUBBER SEALING ELEMENT B. 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