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Technical Data Sheet
KL1554 ✓ 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 CLAMP,LOOP 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 5340-00-680-4084, 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
KL1554
NSN: 5340-00-680-4084
FSC: 5340
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
Part NumberKL1554
NSN5340-00-680-4084
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KL1554 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 5
1 4-4-140Interchangeable
interchangeable cross-reference
interchangeable
CLN1-4BLKInterchangeable
interchangeable cross-reference
interchangeable
NAS1397P4BInterchangeable
interchangeable cross-reference
interchangeable
10018730-014Interchangeable
Same NIIN cross-reference
interchangeable
F4NY-250BK-140Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KL1554?
KL1554 is a CLAMP,LOOP.
What parts can replace KL1554?
There are 5 known substitutes for KL1554: 1 4-4-140, CLN1-4BLK, NAS1397P4B and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KL1554?
KL1554 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-680-4084. This indicates validated use in U.S. government and defense supply chains.
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