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Technical Data Sheet
PartsTable / COMPONENT / 1620-35-42
1620-35-42 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: GLASS OVERALL, hole_diameter: 0.257 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.312 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 5.875 INCHES NOMINAL IN, bolt_circle_diameter: 7.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-359-9353, 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
1620-35-42
NSN: 5330-00-359-9353
FSC: 5330
CAGE: 60883 — AMETEK INC HEAT TRANSFER DIV (USA)
SPECIFICATIONS
materialGLASS OVERALL
hole_diameter0.257 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.312 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter5.875 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter7.125 INCHES NOMINAL IN
fsc_application_dataLAUNDRY UNIT,TRAILER MOUNTED
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-359-9353
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1620-35-42 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: GLASS OVERALL
•
BOLT CIRCLE DIAMETER: 7.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 6.312 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
HOLE DIAMETER: 0.257 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
FSC APPLICATION DATA: LAUNDRY UNIT,TRAILER MOUNTED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGLASS OVERALL
BOLT CIRCLE DIAMETER7.125 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER6.312 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
HOLE DIAMETER0.257 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
FSC APPLICATION DATALAUNDRY UNIT,TRAILER MOUNTED
APERTURE DIAMETER5.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
37165Interchangeable
interchangeable cross-reference
interchangeable
1172-762Interchangeable
interchangeable cross-reference
interchangeable
H-73602Interchangeable
interchangeable cross-reference
interchangeable
3542Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-62145Interchangeable
interchangeable cross-reference
interchangeable
3542-81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1620-35-42?
1620-35-42 is a GASKET.
What parts can replace 1620-35-42?
There are 19 known substitutes for 1620-35-42: 37165, 1172-762, H-73602 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1620-35-42?
1620-35-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-359-9353. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026