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Technical Data Sheet
37B201521P101 ✓ 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: STEEL COMP 321 OVERALL, hole_diameter: 0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.490 INCHES NOMINAL IN, aperture_width: 0.810 INCHES NOMINAL IN, overall_length: 2.330 INCHES NOMINAL IN, aperture_length: 1.670 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 5330-00-786-5107, 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
37B201521P101
NSN: 5330-00-786-5107
FSC: 5330
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
hole_diameter0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.490 INCHES NOMINAL IN
aperture_width0.810 INCHES NOMINAL IN
overall_length2.330 INCHES NOMINAL IN
aperture_length1.670 INCHES NOMINAL IN
special_featuresTHREE RIDGES 0.025 IN. HIGH 0.055IN. FROM APERTURE,0.063 IN. PITCH BETWEEN 2,3RD 0.067 IN. FROM OTHER END IN
outside_corner_radius0.285 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES MINIMUM IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-786-5107
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37B201521P101 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
APERTURE LENGTH: 1.670 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
APERTURE WIDTH: 0.810 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS: 0.285 INCHES NOMINAL IN
MATERIAL: STEEL COMP 321 OVERALL
CROSS-SECTIONAL THICKNESS: 0.010 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE LENGTH1.670 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.330 INCHES NOMINAL IN
OVERALL WIDTH1.490 INCHES NOMINAL IN
APERTURE WIDTH0.810 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.285 INCHES NOMINAL IN
MATERIALSTEEL COMP 321 OVERALL
CROSS-SECTIONAL THICKNESS0.010 INCHES MINIMUM IN
HOLE DIAMETER0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESTHREE RIDGES 0.025 IN. HIGH 0.055IN. FROM APERTURE,0.063 IN. PITCH BETWEEN 2,3RD 0.067 IN. FROM OTHER END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
PB3 1-2Interchangeable
interchangeable cross-reference
interchangeable
128-0101-005Interchangeable
interchangeable cross-reference
interchangeable
2794Interchangeable
interchangeable cross-reference
interchangeable
0087007Interchangeable
Same NIIN cross-reference
interchangeable
50034-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37B201521P101?
37B201521P101 is a GASKET.
What parts can replace 37B201521P101?
There are 5 known substitutes for 37B201521P101: PB3 1-2, 128-0101-005, 2794 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37B201521P101?
37B201521P101 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-786-5107. This indicates validated use in U.S. government and defense supply chains.
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