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72-2143-002 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

72-2143-002: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include head_style: KNURLED NO. 2, head_height: 0.188 INCHES NOMINAL IN, point_style: CONE, point_length: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-350-0552, 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
72-2143-002
NSN: 5330-01-350-0552
NIINs: 013500552, 014207625
FSC: 5330 — Packing and Gasket Materials
CAGE: 63504 — PALFINGER MARINE USA, LLC (USA)
SPECIFICATIONS
head_styleKNURLED NO. 2
head_height0.188 INCHES NOMINAL IN
point_styleCONE
point_length0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
thread_length0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
point_diameter0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
fastener_length0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
point_chamfer_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
NSN5330-01-350-0552
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 72-2143-002 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
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 72-2143-002?
72-2143-002 is a SEAL,PLAIN.
What is the NSN for 72-2143-002?
72-2143-002 is cataloged in the U.S. Government catalog under NSN 5330-01-350-0552. This indicates validated use in U.S. government and defense supply chains.
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