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 POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 1.943 INCHES NOMINAL IN, center_hole_diameter: 1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-455-7025, 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
A-132SR721-80
NSN:5331-00-455-7025 FSC:5331 — O-RING CAGE:95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
material
RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter
1.943 INCHES NOMINAL IN
center_hole_diameter
1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-00-455-7025
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN
•
MATERIAL: RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
•
OUTSIDE DIAMETER: 1.943 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER
1.727 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN
MATERIAL
RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
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FREQUENTLY ASKED QUESTIONS
What is A-132SR721-80?
A-132SR721-80 is a O-RING.
What parts can replace A-132SR721-80?
There are 25 known substitutes for A-132SR721-80: A-A-59588 CL 3B GR 70, AS568-132, S9026M132 and 22 more. Substitute compatibility should be verified for your specific system.
Is A-132SR721-80 still available?
A-132SR721-80 is currently cancelled.
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