PartsTable
Technical Data Sheet
R52 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include filter: INCLUDED, material: STEEL OVERALL, body_style: ANGLE, temp_rating: -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF, overall_length: 2.700 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-1739, 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
R52
NSN: 4730-00-289-1739
FSC: 4730
CAGE: 55921 — CURTIS-TOLEDO, INC. (USA)
SPECIFICATIONS
filterINCLUDED
materialSTEEL OVERALL
body_styleANGLE
temp_rating-40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
overall_length2.700 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
furnished_itemsFLOWMETER AND INLET PRESSURE GAGE
regulation_type1ST STAGE AUTOMATIC, 2ND STAGE MANUAL
special_featuresBOLT CLEARANCE DIA MIN 1.574 IN. IN
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
seat_angle_in_deg30.000
NSN4730-00-289-1739
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: R52 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SLEEVE OUTSIDE DIAMETER: 1.172 INCHES NOMINAL IN
SEAT ANGLE IN DEG: 30.000
STYLE DESIGNATOR: DOUBLE BEVEL FLARELESS
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.000 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
SLEEVE OUTSIDE DIAMETER1.172 INCHES NOMINAL IN
SEAT ANGLE IN DEG30.000
STYLE DESIGNATORDOUBLE BEVEL FLARELESS
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.000 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
X123820-2Interchangeable
interchangeable cross-reference
interchangeable
PAJ0014-2Interchangeable
interchangeable cross-reference
interchangeable
R5-2Interchangeable
interchangeable cross-reference
interchangeable
04X35Interchangeable
interchangeable cross-reference
interchangeable
HVTS2537-580Interchangeable
interchangeable cross-reference
interchangeable
WP4-0745-23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R52?
R52 is a BEARING,BALL,ANNULAR.
What parts can replace R52?
There are 13 known substitutes for R52: X123820-2, PAJ0014-2, R5-2 and 10 more. Substitute compatibility should be verified for your specific system.
Is R52 still available?
R52 is currently cancelled.
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