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142D6539 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

142D6539: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OUTER RING, overall_length: 39.840 INCHES MINIMUM AND 39.920 INCHES MAXIMUM IN, special_features: FIRST PARALLEL SIDE WIDTH 22.32 PORM .03,SECOND PARALLED SIDE WIDTH 12.03 PORM .03,USED ON DOOR ACCESS, surface_treatment: ANODIZE INNER RING, cross-sectional_thickness: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: HOLLOW. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-372-4752, 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
142D6539
NSN: 5330-01-372-4752
FSC: 5330 — Packing and Gasket Materials
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OUTER RING
overall_length39.840 INCHES MINIMUM AND 39.920 INCHES MAXIMUM IN
special_featuresFIRST PARALLEL SIDE WIDTH 22.32 PORM .03,SECOND PARALLED SIDE WIDTH 12.03 PORM .03,USED ON DOOR ACCESS
surface_treatmentANODIZE INNER RING
cross-sectional_thickness0.250 INCHES NOMINAL IN
cross-sectional_shape_styleHOLLOW
material_document_and_classificationZZ-R-765,GR 60 CL 3B MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
NSN5330-01-372-4752
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 142D6539 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 THICKNESS: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
•
SURFACE TREATMENT: ANODIZE INNER RING
•
MATERIAL: ALUMINUM ALLOY 6063 INNER RING
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,GR 60 CL 3B MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
OVERALL LENGTH39.840 INCHES MINIMUM AND 39.920 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEHOLLOW
SPECIAL FEATURESFIRST PARALLEL SIDE WIDTH 22.32 PORM .03,SECOND PARALLED SIDE WIDTH 12.03 PORM .03,USED ON DOOR ACCESS
SURFACE TREATMENTANODIZE INNER RING
MATERIALALUMINUM ALLOY 6063 INNER RING
MATERIALRUBBER SILICONE CLASS Q OUTER RING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 142D6539?
142D6539 is a GASKET.
What is the NSN for 142D6539?
142D6539 is cataloged in the U.S. Government catalog under NSN 5330-01-372-4752. This indicates validated use in U.S. government and defense supply chains.
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