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Technical Data Sheet
PartsTable / COMPONENT / 54-140-1
54-140-1 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include radius: 1.625 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.188 INCHES NOMINAL IN, style_designator: CONCAVE, surface_treatment: CADMIUM, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-276-5849, 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
54-140-1
NSN: 5340-00-276-5849
FSC: 5340
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
radius1.625 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.188 INCHES NOMINAL IN
style_designatorCONCAVE
surface_treatmentCADMIUM
material_thickness0.094 INCHES NOMINAL IN
end_item_identificationMARK 20
NSN5340-00-276-5849
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 54-140-1 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
•
SURFACE TREATMENT: CADMIUM
•
OUTSIDE DIAMETER: 1.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
RADIUS: 1.625 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM
OUTSIDE DIAMETER1.188 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
RADIUS1.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
96687Upgraded Successor
successor cross-reference
successor
30556Upgraded Successor
successor cross-reference
successor
30556AUpgraded Successor
successor cross-reference
successor
71237Upgraded Successor
successor cross-reference
successor
9064Upgraded Successor
successor cross-reference
successor
30112Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54-140-1?
54-140-1 is a COIL,RADIO FREQUENCY.
What parts can replace 54-140-1?
There are 24 known substitutes for 54-140-1: 96687, 30556, 30556A and 21 more. Substitute compatibility should be verified for your specific system.
Is 54-140-1 still available?
54-140-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026