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BA1137 ✓ 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 hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.380 INCHES NOMINAL IN, overall_length: 2.380 INCHES NOMINAL IN, aperture_diameter: 1.138 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL, gage_ring_thickness: 0.080 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 5330-00-833-3316, 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
BA1137
NSN: 5330-00-833-3316
FSC: 5330
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.380 INCHES NOMINAL IN
overall_length2.380 INCHES NOMINAL IN
aperture_diameter1.138 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
gage_ring_thickness0.080 INCHES NOMINAL IN
fsc_application_dataFUEL SYSTEM INSTL,AIRFRAME
outside_corner_radius0.380 INCHES NOMINAL IN
cross-sectional_thickness0.120 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.380 INCHES NOMINAL IN
NSN5330-00-833-3316
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BA1137 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 EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH: 0.380 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.620 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE CORNER RADIUS: 0.380 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.120 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FSC APPLICATION DATA: FUEL SYSTEM INSTL,AIRFRAME
•
APERTURE DIAMETER: 1.138 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH0.380 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.620 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE CORNER RADIUS0.380 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
CROSS-SECTIONAL THICKNESS0.120 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FSC APPLICATION DATAFUEL SYSTEM INSTL,AIRFRAME
APERTURE DIAMETER1.138 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.620 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2945Interchangeable
interchangeable cross-reference
interchangeable
ABT2945Interchangeable
interchangeable cross-reference
interchangeable
00917354Interchangeable
interchangeable cross-reference
interchangeable
17354Interchangeable
interchangeable cross-reference
interchangeable
T73KWInterchangeable
interchangeable cross-reference
interchangeable
E13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BA1137?
BA1137 is a GASKET.
What parts can replace BA1137?
There are 14 known substitutes for BA1137: 2945, ABT2945, 00917354 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BA1137?
BA1137 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-833-3316. 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