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P399 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P399: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, center_hole_diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: EXTENDER TOOL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-245-4070, 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
P399
NSN: 5331-00-245-4070
NIINs: 002454070, 016798649
FSC: 5331 — O-ring
CAGE: 9Z270 — WELDON PUMP LLC (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
center_hole_diameter0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyEXTENDER TOOL
NSN5331-00-245-4070
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P399 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 P399?
P399 is a O-RING.
What is the NSN for P399?
P399 is cataloged in the U.S. Government catalog under NSN 5331-00-245-4070. This indicates validated use in U.S. government and defense supply chains.
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