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Technical Data Sheet
PartsTable / COMPONENT / FF-S-2738
FF-S-2738 ✓ 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 SEAL,ANTIPILFERAGE is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, width: 0.3 INCHES NOMINAL IN, length: 6.0 INCHES NOMINAL IN, diameter: 0.500 INCHES NOMINAL IN, material: STEEL, thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-081-3381, 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
FF-S-2738
NSN: 5340-00-081-3381
FSC: 5340
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
shapeCIRCULAR
width0.3 INCHES NOMINAL IN
length6.0 INCHES NOMINAL IN
diameter0.500 INCHES NOMINAL IN
materialSTEEL
thickness0.125 INCHES NOMINAL IN
wire_length24.000 INCHES NOMINAL IN
hole_quantity2
wire_diameter0.250 INCHES NOMINAL IN
strand_quantity4
special_featuresSTEEL WIRE; CRIMP/WIRE STYLE; OPTIONAL CRIMP OR WIRE MATERIAL
features_providedWIRE
NSN5340-00-081-3381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FF-S-2738 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
•
LENGTH: 6.0 INCHES NOMINAL IN
•
WIDTH: 0.3 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH6.0 INCHES NOMINAL IN
WIDTH0.3 INCHES NOMINAL IN
SPECIAL FEATURESMANUFACTURER'S STANDARD METAL CAR/BALL END SEAL; MARK WITH LETTER "US" AND CONSECUTIVE SERIALLY NUMBERED; SELF LOCKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
63077-5340-4Upgraded Successor
successor cross-reference
successor
2596782Upgraded Successor
successor cross-reference
successor
FF-S-2738Upgraded Successor
successor cross-reference
successor
CXBBLA14LSRInterchangeable
interchangeable cross-reference
interchangeable
XBORDER14Interchangeable
interchangeable cross-reference
interchangeable
8901400 MODEL AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-S-2738?
FF-S-2738 is a SEAL,ANTIPILFERAGE.
What parts can replace FF-S-2738?
There are 21 known substitutes for FF-S-2738: 63077-5340-4, 2596782, FF-S-2738 and 18 more. Substitute compatibility should be verified for your specific system.
Is FF-S-2738 still available?
FF-S-2738 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