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7409397 — SEAT,BALL SOCKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7409397: SEAT,BALL SOCKET.

The SEAT,BALL SOCKET is a the manufacturer industrial component. Key specifications include material: PLASTIC, hole_diameter: 6.124 INCHES NOMINAL IN, overall_height: 1.312 INCHES NOMINAL IN, ball_seat_depth: 0.712 INCHES NOMINAL IN, mounting_method: SCREW, outside_diameter: 7.720 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-496-4863, 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
7409397
NSN: 5340-01-496-4863
NIINs: 014964863, 014965541
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC
hole_diameter6.124 INCHES NOMINAL IN
overall_height1.312 INCHES NOMINAL IN
ball_seat_depth0.712 INCHES NOMINAL IN
mounting_methodSCREW
outside_diameter7.720 INCHES NOMINAL IN
style_designatorSEAT
end_item_identificationUSED ON LOS ANGELES CLASS SSN
mounting_device_quantity8
part_name_assigned_by_controlling_agencyBOOT
surface_treatment_document_and_classificationZZ-R-765,CL-3B,GR-50 MIL SPEC ALL TREATMENT RESPONSES BODY
NSN5340-01-496-4863
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7409397 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
•
STYLE DESIGNATOR: SEAT
•
OUTSIDE DIAMETER: 7.720 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
BALL SEAT DEPTH: 0.712 INCHES NOMINAL IN
•
HOLE DIAMETER: 6.124 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.312 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
OUTSIDE DIAMETER7.720 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAT, BALL SOCKET
END ITEM IDENTIFICATIONUSED ON LOS ANGELES CLASS SSN
MATERIALPLASTIC
BALL SEAT DEPTH0.712 INCHES NOMINAL IN
HOLE DIAMETER6.124 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
B553-2200-12Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 7409397?
7409397 is a SEAT,BALL SOCKET.
What parts can replace 7409397?
There is 1 known substitute for 7409397: B553-2200-12. Substitute compatibility should be verified for your specific system.
What is the NSN for 7409397?
7409397 is cataloged in the U.S. Government catalog under NSN 5340-01-496-4863. 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.