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Technical Data Sheet
21044G ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 7.481 INCHES MINIMUM AND 7.499 INCHES MAXIMUM IN, length: 13.471 INCHES MINIMUM AND 13.489 INCHES MAXIMUM IN, material: ALUMINUM ALLOY 2024, securing_device_type: THREADED FASTENER, material_document_and_classification: QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-100-7068, 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
21044G
NSN: 5340-01-100-7068
FSC: 5340
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
width7.481 INCHES MINIMUM AND 7.499 INCHES MAXIMUM IN
length13.471 INCHES MINIMUM AND 13.489 INCHES MAXIMUM IN
materialALUMINUM ALLOY 2024
securing_device_typeTHREADED FASTENER
material_document_and_classificationQQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-100-7068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21044G 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
WIDTH: 7.481 INCHES MINIMUM AND 7.499 INCHES MAXIMUM IN
MATERIAL: ALUMINUM ALLOY 2024
LENGTH: 13.471 INCHES MINIMUM AND 13.489 INCHES MAXIMUM IN
SECURING DEVICE TYPE: THREADED FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH7.481 INCHES MINIMUM AND 7.499 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2024
LENGTH13.471 INCHES MINIMUM AND 13.489 INCHES MAXIMUM IN
SECURING DEVICE TYPETHREADED FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
3208XIAInterchangeable
interchangeable cross-reference
interchangeable
903208Interchangeable
interchangeable cross-reference
interchangeable
30D86Interchangeable
interchangeable cross-reference
interchangeable
5310PL0944229Interchangeable
interchangeable cross-reference
interchangeable
K-5152148Interchangeable
interchangeable cross-reference
interchangeable
PC5152148Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21044G?
21044G is a COVER,ACCESS.
What parts can replace 21044G?
There are 18 known substitutes for 21044G: 3208XIA, 903208, 30D86 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21044G?
21044G is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-100-7068. This indicates validated use in U.S. government and defense supply chains.
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