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Technical Data Sheet
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245-4510946F21 — BEARING,BALL,STEERING SHAFT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

245-4510946F21: BEARING,BALL,STEERING SHAFT.

The BEARING,BALL,STEERING SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.375 INCHES NOMINAL IN, neck_height: 0.781 INCHES NOMINAL IN, flange_diameter: 4.250 INCHES NOMINAL IN, socket_diameter: 1.315 INCHES NOMINAL IN, style_designator: ROUND, ONE BOLT HOLE CIRCLE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-252-6806, 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
245-4510946F21
NSN: 4730-00-252-6806
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 51563 — ROHR, INC. DBA ROHR INDUSTRIES INC DIV ROHR INC., A PART OF COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.375 INCHES NOMINAL IN
neck_height0.781 INCHES NOMINAL IN
flange_diameter4.250 INCHES NOMINAL IN
socket_diameter1.315 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.625 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter3.125 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, SOCKET BRAZING NECK
operating_pressure_and_type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
face_seating_surface_conditionMACHINED
NSN4730-00-252-6806
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 245-4510946F21 · 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
•
SOCKET DIAMETER: 1.315 INCHES NOMINAL IN
•
FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: MACHINED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 450.0 FAHRENHEIT STEAM DEGF
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
FLANGE SECTION STYLE: PLAIN FACE, SOCKET BRAZING NECK
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
TECHNICAL CHARACTERISTICS
SOCKET DIAMETER1.315 INCHES NOMINAL IN
FLANGE DIAMETER4.250 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.000 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED450.0 FAHRENHEIT STEAM DEGF
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
FLANGE SECTION STYLEPLAIN FACE, SOCKET BRAZING NECK
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
NECK HEIGHT0.781 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
3674Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 245-4510946F21?
245-4510946F21 is a BEARING,BALL,STEERING SHAFT.
What parts can replace 245-4510946F21?
There is 1 known substitute for 245-4510946F21: 3674. Substitute compatibility should be verified for your specific system.
What is the NSN for 245-4510946F21?
245-4510946F21 is cataloged in the U.S. Government catalog under NSN 4730-00-252-6806. This indicates validated use in U.S. government and defense supply chains.
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