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Technical Data Sheet
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BA1532 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.400 INCHES NOMINAL IN, surface_treatment: CHROMATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-475-0589, 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
BA1532
NSN: 5330-00-475-0589
FSC: 5330
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER SYNTHETIC OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.400 INCHES NOMINAL IN
surface_treatmentCHROMATE OVERALL
bolt_hole_quantity8
gage_ring_thickness0.090 INCHES NOMINAL IN
bolt_circle_diameter5.150 INCHES NOMINAL IN
fsc_application_dataFUEL SYSTEM INSTL AIRFRAME
cross-sectional_thickness0.130 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
NSN5330-00-475-0589
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BA1532 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
•
OUTSIDE DIAMETER: 6.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.130 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BOLT CIRCLE DIAMETER: 5.150 INCHES NOMINAL IN
•
FSC APPLICATION DATA: FUEL SYSTEM INSTL AIRFRAME
•
BOLT HOLE QUANTITY: 8
•
GAGE RING THICKNESS: 0.090 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER6.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.130 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BOLT CIRCLE DIAMETER5.150 INCHES NOMINAL IN
FSC APPLICATION DATAFUEL SYSTEM INSTL AIRFRAME
BOLT HOLE QUANTITY8
GAGE RING THICKNESS0.090 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
406-6Interchangeable
interchangeable cross-reference
interchangeable
456-6Interchangeable
interchangeable cross-reference
interchangeable
HS4848-6662Interchangeable
interchangeable cross-reference
interchangeable
H030-301-3001Interchangeable
interchangeable cross-reference
interchangeable
438396-1Interchangeable
interchangeable cross-reference
interchangeable
MGR.1MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BA1532?
BA1532 is a GASKET.
What parts can replace BA1532?
There are 17 known substitutes for BA1532: 406-6, 456-6, HS4848-6662 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BA1532?
BA1532 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-475-0589. 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