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Technical Data Sheet
11-227-01 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), length_under_shoulder: 0.750 INCHES NOMINAL IN, end_item_identification: 6625-01-484-2782, THIRD ECHELON TEST SYSTEM, open_end_inside_diameter: 0.933 INCHES NOMINAL IN, closed_end_overall_diameter: 1.145 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: CAP-PLUG T SERIES LPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-7226, 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
11-227-01
NSN: 5340-00-290-7226
FSC: 5340
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
length_under_shoulder0.750 INCHES NOMINAL IN
end_item_identification6625-01-484-2782, THIRD ECHELON TEST SYSTEM
open_end_inside_diameter0.933 INCHES NOMINAL IN
closed_end_overall_diameter1.145 INCHES NOMINAL IN
specification/standard_data80205-NAS 847 2-1-1998 WHICH REPLACED MIL-C-5501G 6-30-1989 AND MIL-C-52078 WHICH WAS CANCELLED IN 1979 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD G
part_name_assigned_by_controlling_agencyCAP-PLUG T SERIES LPE
NSN5340-00-290-7226
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11-227-01 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
OPEN END INSIDE DIAMETER: 3.200 INCHES NOMINAL IN
CLOSED END OVERALL DIAMETER: 3.562 INCHES NOMINAL IN
MATERIAL: PLASTIC
SPECIFICATION/STANDARD DATA: 80205-MIL-C-5501G 6-30-1989 OBSOLETE AND REPLACED BY NAS 847 2-1-1998 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD G
LENGTH UNDER SHOULDER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPEN END INSIDE DIAMETER3.200 INCHES NOMINAL IN
CLOSED END OVERALL DIAMETER3.562 INCHES NOMINAL IN
END ITEM IDENTIFICATION6625-01-484-2782, THIRD ECHELON TEST SYSTEM
MATERIALPLASTIC
SPECIFICATION/STANDARD DATA80205-MIL-C-5501G 6-30-1989 OBSOLETE AND REPLACED BY NAS 847 2-1-1998 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD G
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP PLUG T-SERIES LPE
SPECIAL FEATURESCOUNTERSUNK OPENING OUTSIDE DIAMETER 3.492 INCHES NOMINAL;SHOULDER OUTSIDE DIAMETER 3.690 INCHES NOMINAL; IN
LENGTH UNDER SHOULDER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MILC52078Upgraded Successor
successor cross-reference
successor
RU51089Upgraded Successor
successor cross-reference
successor
28901-17Upgraded Successor
successor cross-reference
successor
21Upgraded Successor
successor cross-reference
successor
MIL-C-5501Upgraded Successor
successor cross-reference
successor
57AUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11-227-01?
11-227-01 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 11-227-01?
There are 25 known substitutes for 11-227-01: MILC52078, RU51089, 28901-17 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-227-01?
11-227-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-7226. This indicates validated use in U.S. government and defense supply chains.
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