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PartsTable / COMPONENT / 404158 ITEM 10
404158 ITEM 10 ✓ 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: RUBBER NEOPRENE OVERALL, hole_diameter: 0.406 INCHES NOMINAL ALL HOLES IN, overall_width: 7.875 INCHES NOMINAL IN, aperture_width: 5.530 INCHES NOMINAL IN, overall_length: 12.805 INCHES NOMINAL IN, aperture_length: 10.780 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 5330-01-663-8566, 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
404158 ITEM 10
NSN: 5330-01-663-8566
FSC: 5330
CAGE: 57626 — COMSACO, LLC DBA COMSACO INC (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE OVERALL
hole_diameter0.406 INCHES NOMINAL ALL HOLES IN
overall_width7.875 INCHES NOMINAL IN
aperture_width5.530 INCHES NOMINAL IN
overall_length12.805 INCHES NOMINAL IN
aperture_length10.780 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity12
inside_corner_radius0.250 INCHES NOMINAL IN
end_item_identificationTRANSIT 200544
cross-sectional_thickness0.125 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyGASKET,RUBBER
NSN5330-01-663-8566
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 404158 ITEM 10 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 INSIDE EDGE SMALLEST DISTANCE ALONG LENGTH: 1.013 INCHES NOMINAL IN
•
APERTURE WIDTH: 5.530 INCHES NOMINAL IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 0.430 INCHES NOMINAL IN
•
MATERIAL: RUBBER NEOPRENE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTRANSIT 200544
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG LENGTH1.013 INCHES NOMINAL IN
APERTURE WIDTH5.530 INCHES NOMINAL IN
OVERALL WIDTH7.875 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.430 INCHES NOMINAL IN
MATERIALRUBBER NEOPRENE OVERALL
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
BOLT HOLE QUANTITY12
APERTURE LENGTH10.780 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
100-730Interchangeable
interchangeable cross-reference
interchangeable
BM158AInterchangeable
interchangeable cross-reference
interchangeable
989110-17BInterchangeable
interchangeable cross-reference
interchangeable
17211Interchangeable
interchangeable cross-reference
interchangeable
15.2861Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404158 ITEM 10?
404158 ITEM 10 is a GASKET.
What parts can replace 404158 ITEM 10?
There are 5 known substitutes for 404158 ITEM 10: 100-730, BM158A, 989110-17B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404158 ITEM 10?
404158 ITEM 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-663-8566. 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