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H-3503PIECE30 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H-3503PIECE30: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, material_document_and_classification: MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-168-1890, 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
H-3503PIECE30
NSN: 5340-01-168-1890
FSC: 5340 — Hardware, Commercial
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL
material_document_and_classificationMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-168-1890
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H-3503PIECE30 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
H-3503Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H-3503PIECE30?
H-3503PIECE30 is a COVER,ACCESS.
What parts can replace H-3503PIECE30?
There is 1 known substitute for H-3503PIECE30: H-3503. Substitute compatibility should be verified for your specific system.
What is the NSN for H-3503PIECE30?
H-3503PIECE30 is cataloged in the U.S. Government catalog under NSN 5340-01-168-1890. This indicates validated use in U.S. government and defense supply chains.
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