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Technical Data Sheet
PartsTable / COMPONENT / A11445
A11445 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, attachment_method: ROUND HOLE, body_recess_depth: 0.500 INCHES NOMINAL IN, peripheral_diameter: 8.750 INCHES NOMINAL IN, body_recess_diameter: 5.251 INCHES MINIMUM AND 5.252 INCHES MAXIMUM IN, center_hole_diameter: 4.000 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 5330-00-515-1775, 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
A11445
NSN: 5330-00-515-1775
FSC: 5330
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
attachment_methodROUND HOLE
body_recess_depth0.500 INCHES NOMINAL IN
peripheral_diameter8.750 INCHES NOMINAL IN
body_recess_diameter5.251 INCHES MINIMUM AND 5.252 INCHES MAXIMUM IN
center_hole_diameter4.000 INCHES NOMINAL IN
cross-sectional_height1.000 INCHES NOMINAL IN
attachment_hole_diameter0.562 INCHES NOMINAL IN
attachment_feature_quantity6
flanged_body_outside_diameter6.690 INCHES MINIMUM AND 6.692 INCHES MAXIMUM IN
attachment_feature_circle_diameter7.750 INCHES NOMINAL SINGLE CIRCLE IN
NSN5330-00-515-1775
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A11445 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
•
BODY RECESS DEPTH: 0.500 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 8.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.000 INCHES NOMINAL IN
•
FLANGED BODY OUTSIDE DIAMETER: 6.690 INCHES MINIMUM AND 6.692 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
CROSS-SECTIONAL HEIGHT: 1.000 INCHES NOMINAL IN
•
ATTACHMENT METHOD: ROUND HOLE
•
ATTACHMENT FEATURE QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
BODY RECESS DEPTH0.500 INCHES NOMINAL IN
PERIPHERAL DIAMETER8.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.000 INCHES NOMINAL IN
FLANGED BODY OUTSIDE DIAMETER6.690 INCHES MINIMUM AND 6.692 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
CROSS-SECTIONAL HEIGHT1.000 INCHES NOMINAL IN
ATTACHMENT METHODROUND HOLE
ATTACHMENT FEATURE QUANTITY6
ATTACHMENT FEATURE CIRCLE DIAMETER7.750 INCHES NOMINAL SINGLE CIRCLE IN
BODY RECESS DIAMETER5.251 INCHES MINIMUM AND 5.252 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
11445Interchangeable
interchangeable cross-reference
interchangeable
R11445Interchangeable
interchangeable cross-reference
interchangeable
150 AInterchangeable
interchangeable cross-reference
interchangeable
15001Interchangeable
interchangeable cross-reference
interchangeable
24200Interchangeable
interchangeable cross-reference
interchangeable
8331369Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11445?
A11445 is a RETAINER,PACKING.
What parts can replace A11445?
There are 16 known substitutes for A11445: 11445, R11445, 150 A and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A11445?
A11445 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-515-1775. 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