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, special_features: OUTSIDE DIAMETER IS 1.688 INCHES NOMINAL IN, center_hole_diameter: 1.437 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, departure_from_cited_document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS, criticality_code_justification: ZZZW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-338-1382, 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
AS3581-221
NSN:5331-00-338-1382 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
special_features
OUTSIDE DIAMETER IS 1.688 INCHES NOMINAL IN
center_hole_diameter
1.437 INCHES NOMINAL IN
cross-sectional_height
0.125 INCHES NOMINAL IN
departure_from_cited_document
MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justification
ZZZW
part_name_assigned_by_controlling_agency
(INAVY)RUBBER FLOUROCARBON ELASTOMER, HIGH TEMPERATURE, FLUID AND COMPRESSION SET RESISTANT (O-RING, CLASS 2, 90 HARDNESS)
NSN
5331-00-338-1382
COMPONENT DIAGRAM
KEY FEATURES
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 1.409 INCHES MINIMUM AND 1.433 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.699 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3581-221?
AS3581-221 is a O-RING.
What parts can replace AS3581-221?
There are 11 known substitutes for AS3581-221: H136-094, H136-94, 30-718 and 8 more. Substitute compatibility should be verified for your specific system.
Is AS3581-221 still available?
AS3581-221 is currently cancelled.
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