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Technical Data Sheet
PartsTable / COMPONENT / B262328
B262328 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL, design_type: FRICTION, overall_diameter: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, opening_inside_diameter_for_which_designed: 0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-700-1423, 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
B262328
NSN: 5340-00-700-1423
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
design_typeFRICTION
overall_diameter0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
end_item_identificationW/S:AIRCRAFT, T-39; 485L TACS; VEHICLE, COMMERCIAL UTILITY CARGO (CUCV); COMMUNICATIONS PROGRAM, COMBAT THEATER (TRI-TAC) 478I
opening_inside_diameter_for_which_designed0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
NSN5340-00-700-1423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B262328 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
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
•
MATERIAL: STEEL
•
OVERALL DIAMETER: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
DESIGN TYPE: FRICTION
TECHNICAL CHARACTERISTICS (FLIS)
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
MATERIALSTEEL
END ITEM IDENTIFICATIONW/S:AIRCRAFT, T-39; 485L TACS; VEHICLE, COMMERCIAL UTILITY CARGO (CUCV); COMMUNICATIONS PROGRAM, COMBAT THEATER (TRI-TAC) 478I
OVERALL DIAMETER0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
DESIGN TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
11611Interchangeable
interchangeable cross-reference
interchangeable
00911611Interchangeable
interchangeable cross-reference
interchangeable
9-11611Interchangeable
interchangeable cross-reference
interchangeable
260-0325-00Interchangeable
interchangeable cross-reference
interchangeable
TYPEFInterchangeable
interchangeable cross-reference
interchangeable
SM-B-148637Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B262328?
B262328 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace B262328?
There are 25 known substitutes for B262328: 11611, 00911611, 9-11611 and 22 more. Substitute compatibility should be verified for your specific system.
Is B262328 still available?
B262328 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