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Technical Data Sheet
43-959 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, special_features: WITH PROTECTIVE INNER CASE, housing_bore_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-003-9280, 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
43-959
NSN: 5330-00-003-9280
FSC: 5330
CAGE: 81596 — FEDERAL-MOGUL CORP SEALING PRODUCTS GROUP VAN WERT PLANT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
special_featuresWITH PROTECTIVE INNER CASE
housing_bore_diameter1.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-003-9280
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43-959 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
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
CASE STYLE: SQUARE
HOUSING BORE DIAMETER: 1.250 INCHES NOMINAL IN
MATERIAL: STEEL CASE
SEAL WIDTH: 0.375 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
CASE STYLESQUARE
SPECIAL FEATURESWITH PROTECTIVE INNER CASE
HOUSING BORE DIAMETER1.250 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEAL WIDTH0.375 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
5001701Interchangeable
interchangeable cross-reference
interchangeable
45014Interchangeable
interchangeable cross-reference
interchangeable
295309Interchangeable
interchangeable cross-reference
interchangeable
450141Interchangeable
interchangeable cross-reference
interchangeable
7429Interchangeable
interchangeable cross-reference
interchangeable
G005-5367-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43-959?
43-959 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 43-959?
There are 19 known substitutes for 43-959: 5001701, 45014, 295309 and 16 more. Substitute compatibility should be verified for your specific system.
Is 43-959 still available?
43-959 is currently cancelled.
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