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PartsTable / COMPONENT / LA53-43950-TD ITEM NO 1.21
LA53-43950-TD ITEM NO 1.21 ✓ 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 LA53-43950-TD ITEM NO 1.21 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-594-9141, 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
LA53-43950-TD ITEM NO 1.21
NSN: 5330-01-594-9141
FSC: 5330
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
Part NumberLA53-43950-TD ITEM NO 1.21
NSN5330-01-594-9141
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LA53-43950-TD ITEM NO 1.21 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMATERIAL:TURCON
PART NAME ASSIGNED BY CONTROLLING AGENCYROD WIPER
END ITEM IDENTIFICATIONLINEAR HYDRAULIC ACTUATOR MODEL LA5BD1M ,BREECH DOOR ASSEMBLY (VIRGINIA CLASS UNIQUE EQUIPMENTS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
A1805J192Interchangeable
interchangeable cross-reference
interchangeable
100115R91Interchangeable
interchangeable cross-reference
interchangeable
A1085J192Interchangeable
interchangeable cross-reference
interchangeable
4317-9Interchangeable
interchangeable cross-reference
interchangeable
LA53-43950Interchangeable
interchangeable cross-reference
interchangeable
H821-0201-117Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA53-43950-TD ITEM NO 1.21?
LA53-43950-TD ITEM NO 1.21 is a LA53-43950-TD ITEM NO 1.21.
What parts can replace LA53-43950-TD ITEM NO 1.21?
There are 14 known substitutes for LA53-43950-TD ITEM NO 1.21: A1805J192, 100115R91, A1085J192 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LA53-43950-TD ITEM NO 1.21?
LA53-43950-TD ITEM NO 1.21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-594-9141. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026