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B3049 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B3049: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL, design_type: SOLID, end_diameter: 2.8720 INCHES NOMINAL IN, hole_diameter: 0.172 INCHES MINIMUM AND 0.234 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.470 INCHES MINIMUM AND 6.530 INCHES MAXIMUM IN, special_features: 4 HOLES ON BOTTOM EQUALLY SPACED ON BOLT CIRCLE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-044-2764, 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
B3049
NSN: 5330-00-044-2764
NIINs: 000442764, 003634869
FSC: 5330 — Packing and Gasket Materials
CAGE: 24692 — HARTZELL PROPELLER LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 OVERALL
design_typeSOLID
end_diameter2.8720 INCHES NOMINAL IN
hole_diameter0.172 INCHES MINIMUM AND 0.234 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.470 INCHES MINIMUM AND 6.530 INCHES MAXIMUM IN
special_features4 HOLES ON BOTTOM EQUALLY SPACED ON BOLT CIRCLE
style_designatorSEAT
aperture_diameter5.170 INCHES MINIMUM AND 5.230 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
bolt_hole_quantity3
bolt_circle_diameter5.897 INCHES MINIMUM AND 5.903 INCHES MAXIMUM IN
cross-sectional_thickness0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
NSN5330-00-044-2764
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B3049 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: H-S-4 FSCM 24693 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/5 2024 T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 6.470 INCHES MINIMUM AND 6.530 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 5.170 INCHES MINIMUM AND 5.230 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 3
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONH-S-4 FSCM 24693 MFR REF SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 2024 T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER6.470 INCHES MINIMUM AND 6.530 INCHES MAXIMUM IN
APERTURE DIAMETER5.170 INCHES MINIMUM AND 5.230 INCHES MAXIMUM IN
BOLT HOLE QUANTITY3
BOLT CIRCLE DIAMETER5.897 INCHES MINIMUM AND 5.903 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B3049?
B3049 is a GASKET.
What is the NSN for B3049?
B3049 is cataloged in the U.S. Government catalog under NSN 5330-00-044-2764. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.