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Technical Data Sheet
PartsTable / COMPONENT / 114DS558-1
114DS558-1 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hole_diameter: 0.343 INCHES MINIMUM AND 0.351 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, aperture_diameter: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM 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 5330-00-862-9288, 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
114DS558-1
NSN: 5330-00-862-9288
FSC: 5330
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hole_diameter0.343 INCHES MINIMUM AND 0.351 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
aperture_diameter2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
surface_treatmentCHROMATE OVERALL
bolt_circle_diameter4.375 INCHES MINIMUM AND 4.385 INCHES MAXIMUM IN
elongation_percentage250 MAXIMUM
cross-sectional_thickness0.125 INCHES NOMINAL IN
material_document_and_classificationQQ-A-327 T6 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-7362 TY 2 COMP A MIL SPEC 2ND MATERIAL RESPONSE OR SR 873A-70 FSCM 95272 MFR REF 2ND MATERIAL RESPONSE OVERALL A
surface_treatment_document_and_classificationMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-00-862-9288
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 114DS558-1 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 DIAMETER: 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.343 INCHES MINIMUM AND 0.351 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
HOLE DIAMETER0.343 INCHES MINIMUM AND 0.351 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
ELONGATION PERCENTAGE250 MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
SPECIAL FEATURESMTG HOLE LOCATION,2 HOLES 1.250 IN. EITHER SIDE OF HORIZONTAL CENTERLINE AND 1.875 IN. FROM VERTICAL CENTERLINE,APERTURE SLOTTED ON RIGHT SIDE ONHORIZONTAL CENTERLINE W/CENTER 1.750 IN. FROM VERTICAL CENTERLINE AND 0.380IN. END RADIUS,ONE ADJACENT APERTURE 0.499 IN. MIN,0.507 IN. MAX DIA ON HORIZONTAL CENTERLINE AND 2.312 IN. LEFTOF VERTICAL CENTERLINE,80 MICROINCHESAA MAX SURFACE FINISH BOTH SIDES,GASKET USED W/MIL-L-7808 LUBRICATING OIL IN
MATERIALALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
BOLT CIRCLE DIAMETER4.375 INCHES MINIMUM AND 4.385 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
571-4025-01-0519Interchangeable
interchangeable cross-reference
interchangeable
1151-05-0519Interchangeable
interchangeable cross-reference
interchangeable
4025-1Interchangeable
interchangeable cross-reference
interchangeable
2656224Interchangeable
interchangeable cross-reference
interchangeable
4020-32Interchangeable
interchangeable cross-reference
interchangeable
1854-1124Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 114DS558-1?
114DS558-1 is a GASKET.
What parts can replace 114DS558-1?
There are 11 known substitutes for 114DS558-1: 571-4025-01-0519, 1151-05-0519, 4025-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 114DS558-1?
114DS558-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-862-9288. 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