PartsTable
Technical Data Sheet
Download PDF

728761 — ADAPTER,STRAIGHT,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

728761: ADAPTER,STRAIGHT,FLANGE TO TUBE.

ADAPTER,STRAIGHT,FLANGE TO TUBE. Key specifications include material: STEEL OVERALL, flange_shape: ROUND SECOND END, connection_type: FLANGE SECOND END, connection_style: PLAIN (TUBE) FIRST END, nominal_thickness: 0.049 INCHES SECOND END IN, flange_face_design: PLAIN SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-137-5786, 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
728761
NSN: 4730-01-137-5786
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_shapeROUND SECOND END
connection_typeFLANGE SECOND END
connection_stylePLAIN (TUBE) FIRST END
nominal_thickness0.049 INCHES SECOND END IN
flange_face_designPLAIN SECOND END
nominal_overall_length0.770 INCHES IN
nominal_outside_diameter0.898 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.800 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.020 INCHES FIRST END IN
NSN4730-01-137-5786
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 728761 · 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
•
FLANGE SHAPE: ROUND SECOND END
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
CONNECTION STYLE: PLAIN (TUBE) FIRST END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.020 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 0.770 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.800 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND SECOND END
FLANGE FACE DESIGNPLAIN SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.020 INCHES FIRST END IN
NOMINAL OVERALL LENGTH0.770 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.800 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER0.898 INCHES SECOND END IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 728761?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 728761?
728761 is a ADAPTER,STRAIGHT,FLANGE TO TUBE.
What is the NSN for 728761?
728761 is cataloged in the U.S. Government catalog under NSN 4730-01-137-5786. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 728761