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Technical Data Sheet
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GDY0001142 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GDY0001142: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the U.S. Government catalog under NSN 5340-01-591-1335, 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
GDY0001142
NSN: 5340-01-591-1335
FSC: 5340 — Hardware, Commercial
CAGE: 1TD06 — BENCHMARK ELECTRONICS, INC (USA)
SPECIFICATIONS
Part NumberGDY0001142
NSN5340-01-591-1335
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GDY0001142 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 1
GDY0001099Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 GDY0001142?
GDY0001142 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace GDY0001142?
There is 1 known substitute for GDY0001142: GDY0001099. Substitute compatibility should be verified for your specific system.
What is the NSN for GDY0001142?
GDY0001142 is cataloged in the U.S. Government catalog under NSN 5340-01-591-1335. This indicates validated use in U.S. government and defense supply chains.
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