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Technical Data Sheet
21047G ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BLOCK,DOOR HINGE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: ALUMINUM ALLOY 2024 T351,0.470 IN. LG,0.375 IN.

W,CHEMICAL FILM PER MIL-C-5541,CLASS 1A A. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-100-4960, 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
21047G
NSN: 5340-01-100-4960
FSC: 5340
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionALUMINUM ALLOY 2024 T351,0.470 IN. LG,0.375 IN. W,CHEMICAL FILM PER MIL-C-5541,CLASS 1A A
NSN5340-01-100-4960
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21047G 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
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY 2024 T351,0.470 IN. LG,0.375 IN. W,CHEMICAL FILM PER MIL-C-5541,CLASS 1A A
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY 2024 T351,0.470 IN. LG,0.375 IN. W,CHEMICAL FILM PER MIL-C-5541,CLASS 1A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5205X1AInterchangeable
interchangeable cross-reference
interchangeable
P679Interchangeable
interchangeable cross-reference
interchangeable
PC5150221Interchangeable
interchangeable cross-reference
interchangeable
103325Interchangeable
interchangeable cross-reference
interchangeable
21047Interchangeable
interchangeable cross-reference
interchangeable
850350Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21047G?
21047G is a BLOCK,DOOR HINGE.
What parts can replace 21047G?
There are 13 known substitutes for 21047G: 5205X1A, P679, PC5150221 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21047G?
21047G is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-100-4960. This indicates validated use in U.S. government and defense supply chains.
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