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PartsTable / COMPONENT / BACG10AH204
BACG10AH204 ✓ 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 2024 AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.277 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 6.140 INCHES NOMINAL IN, aperture_width: 4.520 INCHES NOMINAL IN, overall_length: 6.620 INCHES NOMINAL IN, aperture_length: 5.000 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 5330-00-492-1983, 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
BACG10AH204
NSN: 5330-00-492-1983
FSC: 5330
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 AND RUBBER SYNTHETIC OVERALL
hole_diameter0.277 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width6.140 INCHES NOMINAL IN
aperture_width4.520 INCHES NOMINAL IN
overall_length6.620 INCHES NOMINAL IN
aperture_length5.000 INCHES NOMINAL IN
gage_ring_thickness0.090 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/5,T3 FED SPEC 1ST MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.310 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length0.310 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width1.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
center_to_center_distance_between_bolt_holes_along_length2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-492-1983
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BACG10AH204 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
•
APERTURE LENGTH: 5.000 INCHES NOMINAL IN
•
APERTURE WIDTH: 4.520 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.310 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5,T3 FED SPEC 1ST MATERIAL RESPONSE OVERALL
•
GAGE RING THICKNESS: 0.090 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE LENGTH5.000 INCHES NOMINAL IN
APERTURE WIDTH4.520 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.310 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.840 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL LENGTH6.620 INCHES NOMINAL IN
OVERALL WIDTH6.140 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,T3 FED SPEC 1ST MATERIAL RESPONSE OVERALL
GAGE RING THICKNESS0.090 INCHES NOMINAL IN
HOLE DIAMETER0.277 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1125-6000Interchangeable
interchangeable cross-reference
interchangeable
2562Interchangeable
interchangeable cross-reference
interchangeable
F30-4000NInterchangeable
interchangeable cross-reference
interchangeable
AA51162A-1B2CInterchangeable
interchangeable cross-reference
interchangeable
495-4000Interchangeable
interchangeable cross-reference
interchangeable
G521Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACG10AH204?
BACG10AH204 is a GASKET.
What parts can replace BACG10AH204?
There are 10 known substitutes for BACG10AH204: 1125-6000, 2562, F30-4000N and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BACG10AH204?
BACG10AH204 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-492-1983. 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