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Technical Data Sheet
305A-234GHST ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT, seal_width: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, temp_rating: -70.0 CELSIUS AND 550.0 CELSIUS DEGC, construction: SOLID, housing_bore_diameter: 3.250 INCHES NOMINAL IN, accommodated_shaft_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-102-0341, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
305A-234GHST
NSN: 5330-01-102-0341
FSC: 5330
CAGE: 09055 — BAL SEAL ENGINEERING, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT
seal_width0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
temp_rating-70.0 CELSIUS AND 550.0 CELSIUS DEGC
constructionSOLID
housing_bore_diameter3.250 INCHES NOMINAL IN
accommodated_shaft_diameter3.000 INCHES NOMINAL IN
cross-sectional_shape_styleC-SECTION W/ HELICAL SPRING
material_document_and_classificationQQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
NSN5330-01-102-0341
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 305A-234GHST MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A81-118-1Interchangeable
interchangeable cross-reference
interchangeable
5590706Interchangeable
interchangeable cross-reference
interchangeable
A81-99-5Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
786373Interchangeable
interchangeable cross-reference
interchangeable
81995Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305A-234GHST?
305A-234GHST is a SEAL,PLAIN.
What parts can replace 305A-234GHST?
There are 7 known substitutes for 305A-234GHST: A81-118-1, 5590706, A81-99-5 and 4 more. Substitute compatibility should be verified for your specific system.
Is 305A-234GHST still available?
305A-234GHST is currently cancelled.
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