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SIZE96A ✓ 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-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, special_features: COUNTERSUNK OPENING OUTSIDE DIAMETER 3.492 INCHES NOMINAL;SHOULDER OUTSIDE DIAMETER 3.690 INCHES NOMINAL; IN, length_under_shoulder: 1.125 INCHES NOMINAL IN, end_item_identification: 6625-01-484-2782, THIRD ECHELON TEST SYSTEM, open_end_inside_diameter: 3.200 INCHES NOMINAL IN, closed_end_overall_diameter: 3.562 INCHES NOMINAL IN. 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
SIZE96A
NSN: 5340-00-290-7226
FSC: 5340
CAGE: 95760 — PROTECTIVE CLOSURES CO INC (USA)
SPECIFICATIONS
materialPLASTIC
special_featuresCOUNTERSUNK OPENING OUTSIDE DIAMETER 3.492 INCHES NOMINAL;SHOULDER OUTSIDE DIAMETER 3.690 INCHES NOMINAL; IN
length_under_shoulder1.125 INCHES NOMINAL IN
end_item_identification6625-01-484-2782, THIRD ECHELON TEST SYSTEM
open_end_inside_diameter3.200 INCHES NOMINAL IN
closed_end_overall_diameter3.562 INCHES NOMINAL IN
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
NSN5340-00-290-7226
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SIZE96A 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 SIZE96A?
SIZE96A is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace SIZE96A?
There are 25 known substitutes for SIZE96A: MILC52078, RU51089, 28901-17 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SIZE96A?
SIZE96A 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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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026