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Technical Data Sheet
PartsTable / COMPONENT / 277 ITEM 18
277 ITEM 18 ✓ 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 CONNECTOR,ROD END 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 5340-01-299-7307, 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
277 ITEM 18
NSN: 5340-01-299-7307
FSC: 5340
CAGE: U3374 — CAT PUMPS (UK) LTD (GBR)
SPECIFICATIONS
Part Number277 ITEM 18
NSN5340-01-299-7307
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 277 ITEM 18 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 7
101799Interchangeable
interchangeable cross-reference
interchangeable
63120AXInterchangeable
interchangeable cross-reference
interchangeable
23720-8-8Interchangeable
interchangeable cross-reference
interchangeable
190297-8SInterchangeable
interchangeable cross-reference
interchangeable
3001-150 PSIInterchangeable
interchangeable cross-reference
interchangeable
3001-150Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 277 ITEM 18?
277 ITEM 18 is a CONNECTOR,ROD END.
What parts can replace 277 ITEM 18?
There are 7 known substitutes for 277 ITEM 18: 101799, 63120AX, 23720-8-8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 277 ITEM 18?
277 ITEM 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-299-7307. 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