PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300-08Seal,plain

Bal Seal Engineering, Inc. · NSN 5330-00-150-2475 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-150-2475 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-150-2475. Primary manufacturer part number: 300-08.
Features
  • Seal,plain — FSC 5330
  • Accommodated Shaft Diameter: 0.188 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING
  • Seal Width: 0.100 INCHES NOMINAL IN
  • Housing Bore Diameter: 0.311 INCHES NOMINAL IN
  • Construction: SOLID
  • Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Material Document and Classification: QQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Comp 302 Spring construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-150-2475, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-150-2475
Primary Part Number300-08
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBal Seal Engineering, Inc.
StatusACTIVE
Accommodated Shaft Diameter0.188 INCHES NOMINAL IN
Cross-Sectional Shape StyleC-SECTION W/ HELICAL SPRING
Seal Width0.100 INCHES NOMINAL IN
Housing Bore Diameter0.311 INCHES NOMINAL IN
ConstructionSOLID
Temp Rating-70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Material Document and ClassificationQQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MaterialSTEEL COMP 302 SPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-005-53770012036975 INTERCHANGEABLE
Thermostat,flow Control
Mercedes-Benz Ag
5910-00-109-9241441-1030-008 INTERCHANGEABLE
Capacitor,fixed,electrolytic
The Boeing Company Div Legacy Boeing Hb1
1560-00-123-39515115224-8 INTERCHANGEABLE
Transition Assembly
The Boeing Company
5120-00-223-129830008 INTERCHANGEABLE
Caulking Tool,hand
Mephisto Tool Co Inc
5305-00-874-3569 INTERCHANGEABLE
Thumbscrew
5950-01-005-1999 INTERCHANGEABLE
Coil,radio Frequency
6130-01-043-307630008 INTERCHANGEABLE
Inverter,power,static
Data Device Corp Dba Beta Transformer Technology
6685-01-048-41538127383 INTERCHANGEABLE
Thermostat,flow Control
Am General Llc
6125-01-077-848730-008 INTERCHANGEABLE
Motor-Generator
Georator Llc
5306-01-122-544930008 INTERCHANGEABLE
Bolt,machine
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
300-08 PRIMARY Bal Seal Engineering, Inc. (USA)
651-077 Service & Sales Inc (USA)
651-077-9102 Proponent, Inc. Dba Proponent (USA)
300-08 Zf Industrieantriebe Witten Gmbh (DEU)
651-077-9102 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
6685-00-005-5377INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
0012036975
5910-00-109-9241INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
441-1030-008
1560-00-123-3951INTERCHANGEABLE
TRANSITION ASSEMBLY
5115224-8
5120-00-223-1298INTERCHANGEABLE
CAULKING TOOL,HAND
30008
5305-00-874-3569INTERCHANGEABLE
THUMBSCREW
5950-01-005-1999INTERCHANGEABLE
COIL,RADIO FREQUENCY
6130-01-043-3076INTERCHANGEABLE
INVERTER,POWER,STATIC
30008
6685-01-048-4153INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
8127383
6125-01-077-8487INTERCHANGEABLE
MOTOR-GENERATOR
30-008
5306-01-122-5449INTERCHANGEABLE
BOLT,MACHINE
30008
2910-01-123-0389INTERCHANGEABLE
RESERVOIR,THERMOSTA
30008
3040-01-181-1842INTERCHANGEABLE
SHAFT,STRAIGHT
30008

Frequently Asked Questions

What is NSN 5330-00-150-2475?

NSN 5330-00-150-2475 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 5330-00-150-2475?

NSN 5330-00-150-2475 has 5 cross-referenced part numbers: 300-08 (Bal Seal Engineering, Inc.), 651-077 (Service & Sales Inc), 651-077-9102 (Proponent, Inc. Dba Proponent), 300-08 (Zf Industrieantriebe Witten Gmbh), 651-077-9102 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 5330-00-150-2475?

There are 12 known substitutes for 5330-00-150-2475: 6685-00-005-5377, 5910-00-109-9241, 1560-00-123-3951 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-08?

Key specifications for 300-08: Accommodated Shaft Diameter: 0.188 INCHES NOMINAL IN; Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING; Seal Width: 0.100 INCHES NOMINAL IN; Housing Bore Diameter: 0.311 INCHES NOMINAL IN. 8 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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