PartsTable
Technical Data Sheet
U48 ✓ 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

ACTUATOR,ELECTRO-MECHANICAL,LINE. Key specifications include material: TIN ALLOY, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, special_features: REPLACEMENT CROWNS FOR UPPER RIGHT FIRST BICUSPID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7016, 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
U48
NSN: 5330-00-237-7016
FSC: 5330
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialTIN ALLOY
seat_angle45.0 DEGREES ALL ENDS
thread_class2B ALL ENDS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
special_featuresREPLACEMENT CROWNS FOR UPPER RIGHT FIRST BICUSPID
style_designatorPLAIN W/OFFSET GROOVE
nominal_thread_size0.750 INCHES ALL ENDS IN
tooth_configurationBICUSPID
nominal_overall_length1.440 INCHES IN
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
thread_series_designatorUNF ALL ENDS
NSN5330-00-237-7016
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U48 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
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS (FLIS)
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
U4-8Interchangeable
interchangeable cross-reference
interchangeable
660FHD-8Interchangeable
interchangeable cross-reference
interchangeable
A-387Interchangeable
interchangeable cross-reference
interchangeable
A51C9005-9Interchangeable
interchangeable cross-reference
interchangeable
777-3493Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U48?
U48 is a ACTUATOR,ELECTRO-MECHANICAL,LINE.
What parts can replace U48?
There are 5 known substitutes for U48: U4-8, 660FHD-8, A-387 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U48?
U48 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7016. This indicates validated use in U.S. government and defense supply chains.
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