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535778-1 — GEAR,SPUR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

535778-1: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.0625 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-147-6538, 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
535778-1
NSN: 4730-00-147-6538
NIINs: 001476538, 009826765
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.0625 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity102
hardness_rating25.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
style_designatorHUBLESS
face_nominal_width0.065 INCHES IN
bore_nominal_diameter0.218 INCHES BOTH ENDS IN
nominal_outside_diameter1.082 INCHES IN
NSN4730-00-147-6538
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 535778-1 · 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
•
SECOND LEG LENGTH: 0.614 INCHES NOMINAL IN
•
CONNECTION STYLE: FLARED FIRST QUICK DISCONNECT END
•
STYLE DESIGNATOR: COUPLING ASSEMBLY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST QUICK DISCONNECT END IN
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST QUICK DISCONNECT END IN
•
SEAT ANGLE: 37.0 DEGREES
TECHNICAL CHARACTERISTICS
SECOND LEG LENGTH0.614 INCHES NOMINAL IN
CONNECTION STYLEFLARED FIRST QUICK DISCONNECT END
STYLE DESIGNATORCOUPLING ASSEMBLY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST QUICK DISCONNECT END IN
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
NOMINAL THREAD SIZE0.438 INCHES FIRST QUICK DISCONNECT END IN
SEAT ANGLE37.0 DEGREES
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT FIRST RESPONSE DEGF
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT SECOND RESPONSE DEGF
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
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FREQUENTLY ASKED QUESTIONS
What is 535778-1?
535778-1 is a GEAR,SPUR.
What is the NSN for 535778-1?
535778-1 is cataloged in the U.S. Government catalog under NSN 4730-00-147-6538. This indicates validated use in U.S. government and defense supply chains.
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