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PartsTable / O-RING / 21302 FIND 59
21302 FIND 59 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, peripheral_diameter: 0.943 INCHES NOMINAL IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM 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 5331-01-290-2114, 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
21302 FIND 59
NSN: 5331-01-290-2114
FSC: 5331 — O-RING
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
peripheral_diameter0.943 INCHES NOMINAL IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-01-290-2114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21302 FIND 59 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
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
PERIPHERAL DIAMETER: 0.943 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE125 MAXIMUM
CRITICALITY CODE JUSTIFICATIONZZZW
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
PERIPHERAL DIAMETER0.943 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
AS3209-116Interchangeable
interchangeable cross-reference
interchangeable
946.91.27.761Interchangeable
interchangeable cross-reference
interchangeable
ST3001-116Interchangeable
interchangeable cross-reference
interchangeable
5-0-51-08-3Interchangeable
interchangeable cross-reference
interchangeable
QD1004-116Interchangeable
interchangeable cross-reference
interchangeable
A203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21302 FIND 59?
21302 FIND 59 is a O-RING.
What parts can replace 21302 FIND 59?
There are 26 known substitutes for 21302 FIND 59: AS3209-116, 946.91.27.761, ST3001-116 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21302 FIND 59?
21302 FIND 59 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-290-2114. 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