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Technical Data Sheet
1A20033G05 ✓ 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 LOCK,FLUSH 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 5340-01-381-0835, 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
1A20033G05
NSN: 5340-01-381-0835
FSC: 5340
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
Part Number1A20033G05
NSN5340-01-381-0835
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1A20033G05 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
111520-51Interchangeable
interchangeable cross-reference
interchangeable
496-445-002Interchangeable
interchangeable cross-reference
interchangeable
L7032C0Interchangeable
interchangeable cross-reference
interchangeable
15749Interchangeable
interchangeable cross-reference
interchangeable
CS6401Interchangeable
interchangeable cross-reference
interchangeable
1A20033H10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A20033G05?
1A20033G05 is a LOCK,FLUSH.
What parts can replace 1A20033G05?
There are 8 known substitutes for 1A20033G05: 111520-51, 496-445-002, L7032C0 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A20033G05?
1A20033G05 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-381-0835. This indicates validated use in U.S. government and defense supply chains.
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