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8403400 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8403400: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, fsc_application_data: RECOIL MECHANISM,HOWITZER,75MM MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-305-0750, 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
8403400
NSN: 5330-00-305-0750
FSC: 5330 — Packing and Gasket Materials
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
fsc_application_dataRECOIL MECHANISM,HOWITZER,75MM MM
cross-sectional_thickness0.090 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-305-0750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8403400 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
•
FSC APPLICATION DATA: RECOIL MECHANISM,HOWITZER,75MM MM
•
CROSS-SECTIONAL THICKNESS: 0.090 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARECOIL MECHANISM,HOWITZER,75MM MM
CROSS-SECTIONAL THICKNESS0.090 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.266 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
APERTURE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
5330003050750Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8403400?
8403400 is a GASKET.
What parts can replace 8403400?
There is 1 known substitute for 8403400: 5330003050750. Substitute compatibility should be verified for your specific system.
What is the NSN for 8403400?
8403400 is cataloged in the U.S. Government catalog under NSN 5330-00-305-0750. This indicates validated use in U.S. government and defense supply chains.
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