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Technical Data Sheet
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GL510AY21 — CATCH,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GL510AY21: CATCH,FLUSH.

The CATCH,FLUSH is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-219-8827, 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
GL510AY21
NSN: 5340-01-219-8827
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberGL510AY21
NSN5340-01-219-8827
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GL510AY21 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
SUBSTITUTES & CROSS-REFERENCES 2
115127-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15127-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GL510AY21?
GL510AY21 is a CATCH,FLUSH.
What parts can replace GL510AY21?
There are 2 known substitutes for GL510AY21: 115127-1, 15127-1. Substitute compatibility should be verified for your specific system.
What is the NSN for GL510AY21?
GL510AY21 is cataloged in the U.S. Government catalog under NSN 5340-01-219-8827. This indicates validated use in U.S. government and defense supply chains.
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