The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: STEP JOINT, overall_width: 0.1540 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN, inside_diameter: 3.500 INCHES NOMINAL IN, surface_treatment: CHROMIUM OUTSIDE PERIPHERY. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-352-1836, 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
4020638
NSN:5330-00-352-1836 FSC:5330 — Packing and Gasket Materials CAGE:77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
material
STEEL OVERALL
ring_style
CONTRACTING CONCENTRIC
joint_style
STEP JOINT
overall_width
0.1540 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
inside_diameter
3.500 INCHES NOMINAL IN
surface_treatment
CHROMIUM OUTSIDE PERIPHERY
fsc_application_data
ENGINE,ACFT,TURBOFAN
radial_wall_thickness
0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
metallic_hardness_rating
32.0 NOMINAL ROCKWELL C
cross-sectional_shape_style
PLAIN RECTANGULAR, STRAIGHT FACE
NSN
5330-00-352-1836
COMPONENT DIAGRAM
KEY FEATURES
•
FSC APPLICATION DATA: ENGINE,ACFT,TURBOFAN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: STEP JOINT
•
INSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
RADIAL WALL THICKNESS: 0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
•
RING STYLE: CONTRACTING CONCENTRIC
•
SURFACE TREATMENT: CHROMIUM OUTSIDE PERIPHERY
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATA
ENGINE,ACFT,TURBOFAN
OVERALL WIDTH
0.1540 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE
PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE
STEP JOINT
INSIDE DIAMETER
3.500 INCHES NOMINAL IN
RADIAL WALL THICKNESS
0.0850 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN
RING STYLE
CONTRACTING CONCENTRIC
SURFACE TREATMENT
CHROMIUM OUTSIDE PERIPHERY
MATERIAL
STEEL OVERALL
METALLIC HARDNESS RATING
32.0 NOMINAL ROCKWELL C
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 4020638?
4020638 is a SEAL RING,METAL.
What parts can replace 4020638?
There are 2 known substitutes for 4020638: 5330PL0796324, 83565-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 4020638?
4020638 is cataloged in the U.S. Government catalog under NSN 5330-00-352-1836. This indicates validated use in U.S. government and defense supply chains.
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