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Technical Data Sheet
PartsTable / O-RING / 5169221
5169221 ✓ 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 FLUOROSILICONE CLASS FQ, temp_rating: -70.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN, cross-sectional_height: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, nondefinitive_spec/std_data: I TYPE AND I CLASS AND 70 GRADE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-322-0137, 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
5169221
NSN: 5331-00-322-0137
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-70.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
cross-sectional_height0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
nondefinitive_spec/std_dataI TYPE AND I CLASS AND 70 GRADE
material_document_and_classificationMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-322-0137
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5169221 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 TYPE 1, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 TYPE 1, CLASS 1, GRADE 70 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALRUBBER FLUOROSILICONE CLASS FQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1002199-P3Interchangeable
interchangeable cross-reference
interchangeable
K-24780Interchangeable
interchangeable cross-reference
interchangeable
912160Interchangeable
interchangeable cross-reference
interchangeable
810020-6Interchangeable
interchangeable cross-reference
interchangeable
AA3848Interchangeable
interchangeable cross-reference
interchangeable
12-908Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5169221?
5169221 is a O-RING.
What parts can replace 5169221?
There are 20 known substitutes for 5169221: 1002199-P3, K-24780, 912160 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5169221?
5169221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-322-0137. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026