PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300-012GSeal,plain

Bal Seal Engineering, Inc. · NSN 5330-00-324-7077 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-324-7077 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-324-7077. Primary manufacturer part number: 300-012G.
Features
  • Seal,plain — FSC 5330
  • Accommodated Shaft Diameter: 0.375 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-423,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE SPRING
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
  • Material: STEEL COMP 302 SPRING
  • Housing Bore Diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
  • Seal Width: 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polytetrafluoroethylene Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-324-7077, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-324-7077
Primary Part Number300-012G
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBal Seal Engineering, Inc.
StatusACTIVE
Accommodated Shaft Diameter0.375 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-423,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT
MaterialSTEEL COMP 302 SPRING
Housing Bore Diameter0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Seal Width0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Cross-Sectional Shape StyleC-SECTION W/ HELICAL SPRING
Temp Rating-70.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF
ConstructionSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-383-22783000-12G INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
Cross-Reference Index
Part NumberManufacturer
300-012G PRIMARY Bal Seal Engineering, Inc. (USA)
966015-3C Raytheon Company Dba Raytheon (USA)
Related Parts
4730-01-383-2278INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3000-12G

Frequently Asked Questions

What is NSN 5330-00-324-7077?

NSN 5330-00-324-7077 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-324-7077?

NSN 5330-00-324-7077 has 2 cross-referenced part numbers: 300-012G (Bal Seal Engineering, Inc.), 966015-3C (Raytheon Company Dba Raytheon).

What NSN replaces 5330-00-324-7077?

There is 1 known substitute for 5330-00-324-7077: 4730-01-383-2278. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-012G?

Key specifications for 300-012G: Accommodated Shaft Diameter: 0.375 INCHES NOMINAL IN; Material Document and Classification: QQ-W-423,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE SPRING; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT; Material: STEEL COMP 302 SPRING. 9 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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