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Technical Data Sheet
40158 ✓ Verified by PartsTable
APC · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

AC Power Cords and Adapters to fit all your power needs. . Key specifications include material: ALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL, temp_rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, capacity_rating: 102.0 OUNCES OZ, special_features: COLOR BLACK; TYPE S GMA; OMEGA RESERVOIR, aperture_diameter: 1.850 INCHES NOMINAL IN, surface_treatment: ANODIZE 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 5340-00-528-4505, 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
MRO MRO_GENERAL 40158
NSN: 5340-00-528-4505
FSC: 5340
CAGE: 73740 — TRW INC TRW COMMERCIAL STEERING DIV (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
temp_rating-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
capacity_rating102.0 OUNCES OZ
special_featuresCOLOR BLACK; TYPE S GMA; OMEGA RESERVOIR
aperture_diameter1.850 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
gage_ring_thickness0.090 INCHES NOMINAL IN
elongation_percentage125 MAXIMUM
cross-sectional_thickness0.130 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
inside_corner_inverted_radius0.500 INCHES NOMINAL IN
outside_corner_inverted_radius0.350 INCHES NOMINAL IN
NSN5340-00-528-4505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40158 MFR: APC ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
40158Interchangeable
interchangeable cross-reference
interchangeable
C263-1Interchangeable
interchangeable cross-reference
interchangeable
BL435350ISSUE3Interchangeable
interchangeable cross-reference
interchangeable
C457-1Interchangeable
interchangeable cross-reference
interchangeable
BA3959Interchangeable
interchangeable cross-reference
interchangeable
648697Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40158?
40158 is a ASSY,CRYSTAL CAVITY manufactured by APC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 40158?
There are 16 known substitutes for 40158: 40158, C263-1, BL435350ISSUE3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40158?
40158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-528-4505. This indicates validated use in U.S. government and defense supply chains.
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