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BA1527 ✓ 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND ALUMINUM ALLOY 6061 OVERALL, hole_diameter: 0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 8.100 INCHES NOMINAL IN, aperture_width: 6.284 INCHES NOMINAL IN, overall_length: 10.100 INCHES NOMINAL IN, aperture_length: 8.284 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 5330-00-795-4086, 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
BA1527
NSN: 5330-00-795-4086
FSC: 5330
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND ALUMINUM ALLOY 6061 OVERALL
hole_diameter0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width8.100 INCHES NOMINAL IN
aperture_width6.284 INCHES NOMINAL IN
overall_length10.100 INCHES NOMINAL IN
aperture_length8.284 INCHES NOMINAL IN
gage_ring_thickness0.090 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationMIL-S-6855 CLASS 1 GRADE 60 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-327 ALLOY 6061-T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
NSN5330-00-795-4086
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BA1527 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6855 CLASS 1 GRADE 60 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-327 ALLOY 6061-T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
APERTURE WIDTH: 6.284 INCHES NOMINAL IN
•
APERTURE LENGTH: 8.284 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH10.100 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6855 CLASS 1 GRADE 60 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-A-327 ALLOY 6061-T6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
OVERALL WIDTH8.100 INCHES NOMINAL IN
APERTURE WIDTH6.284 INCHES NOMINAL IN
APERTURE LENGTH8.284 INCHES NOMINAL IN
HOLE DIAMETER0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND ALUMINUM ALLOY 6061 OVERALL
GAGE RING THICKNESS0.090 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
4061Interchangeable
interchangeable cross-reference
interchangeable
45960Interchangeable
interchangeable cross-reference
interchangeable
4004061Interchangeable
interchangeable cross-reference
interchangeable
1328Interchangeable
interchangeable cross-reference
interchangeable
51C6934P1Interchangeable
interchangeable cross-reference
interchangeable
P11170-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BA1527?
BA1527 is a GASKET.
What parts can replace BA1527?
There are 13 known substitutes for BA1527: 4061, 45960, 4004061 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BA1527?
BA1527 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-795-4086. 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