PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305A-234GHST (L0.177) X 5128Seal,plain

Bal Seal Engineering, Inc. · NSN 5330-01-102-0341 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-102-0341 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-102-0341. Primary manufacturer part number: 305A-234GHST (L0.177) X 5128.
Features
  • Seal,plain — FSC 5330
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT
  • Seal Width: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Construction: SOLID
  • Temp Rating: -70.0 CELSIUS AND 550.0 CELSIUS DEGC
  • Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING
  • Housing Bore Diameter: 3.250 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 3.000 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polytetrafluoroethylene and Graphite Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-102-0341, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-102-0341
Primary Part Number305A-234GHST (L0.177) X 5128
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBal Seal Engineering, Inc.
StatusCANCELLED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT
Seal Width0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
ConstructionSOLID
Temp Rating-70.0 CELSIUS AND 550.0 CELSIUS DEGC
Cross-Sectional Shape StyleC-SECTION W/ HELICAL SPRING
Housing Bore Diameter3.250 INCHES NOMINAL IN
Accommodated Shaft Diameter3.000 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2910-00-376-826581-99-5 INTERCHANGEABLE
Pump,fuel
Dresser Industries Inc Leroi Div
6750-01-427-6413 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
305A-234GHST (L0.177) X 5128 PRIMARY Bal Seal Engineering, Inc. (USA)
78637-3 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
81995 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
73574-3 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
305A-234GHST PRIMARY Bal Seal Engineering, Inc. (USA)
Related Parts
2910-00-376-8265INTERCHANGEABLE
PUMP,FUEL
81-99-5
6750-01-427-6413INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5330-01-102-0341?

NSN 5330-01-102-0341 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-01-102-0341?

NSN 5330-01-102-0341 has 5 cross-referenced part numbers: 305A-234GHST (L0.177) X 5128 (Bal Seal Engineering, Inc.), 78637-3 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81995 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 73574-3 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 305A-234GHST (Bal Seal Engineering, Inc.).

What NSN replaces 5330-01-102-0341?

There are 2 known substitutes for 5330-01-102-0341: 2910-00-376-8265, 6750-01-427-6413. Verify interchangeability with system specifications before substitution.

What are the specifications of 305A-234GHST (L0.177) X 5128?

Key specifications for 305A-234GHST (L0.177) X 5128: Material: PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT; Seal Width: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Construction: SOLID; Temp Rating: -70.0 CELSIUS AND 550.0 CELSIUS DEGC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-102-0341 still in active supply?

NSN 5330-01-102-0341 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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