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Technical Data Sheet
PartsTable / COMPONENT / 2994543-7
2994543-7 ✓ 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,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.375 INCHES NOMINAL IN, height: 0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, length: 0.312 INCHES NOMINAL IN, material: STEEL COMP 303, hole_diameter: 0.128 INCHES NOMINAL IN, furnished_items: LOCKNUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-571-9317, 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
2994543-7
NSN: 5340-00-571-9317
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
height0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
length0.312 INCHES NOMINAL IN
materialSTEEL COMP 303
hole_diameter0.128 INCHES NOMINAL IN
furnished_itemsLOCKNUT
surface_treatmentPASSIVATE
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-571-9317
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2994543-7 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
KEY FEATURES
•
HOLE DIAMETER: 0.128 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
WIDTH: 0.375 INCHES NOMINAL IN
•
FURNISHED ITEMS: LOCKNUT
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
•
LENGTH: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
HEIGHT: 0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.128 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
WIDTH0.375 INCHES NOMINAL IN
FURNISHED ITEMSLOCKNUT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
LENGTH0.312 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
HEIGHT0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
423567Interchangeable
interchangeable cross-reference
interchangeable
L27Interchangeable
interchangeable cross-reference
interchangeable
401-4111-1449506ITEM9SH9Interchangeable
interchangeable cross-reference
interchangeable
33J176ISSUE7PT56Interchangeable
interchangeable cross-reference
interchangeable
J537Interchangeable
interchangeable cross-reference
interchangeable
3470Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2994543-7?
2994543-7 is a CLAMP,SYNCHRO.
What parts can replace 2994543-7?
There are 13 known substitutes for 2994543-7: 423567, L27, 401-4111-1449506ITEM9SH9 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2994543-7?
2994543-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-571-9317. 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