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Technical Data Sheet
PartsTable / COMPONENT / 133B8544P2
133B8544P2 ✓ 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: ALUMINUM, drive_type: SERRATED, design_type: THREADED, thread_class: 3A A, overall_diameter: 0.938 INCHES NOMINAL IN, special_features: DESIGNED TO FIT ERMETO TYPE FITTINGS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-6947, 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
133B8544P2
NSN: 5340-00-205-6947
FSC: 5340
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM
drive_typeSERRATED
design_typeTHREADED
thread_class3A A
overall_diameter0.938 INCHES NOMINAL IN
special_featuresDESIGNED TO FIT ERMETO TYPE FITTINGS
features_providedSHOULDER
surface_treatmentANODIZE
thread_size_and_series/type_designator3/4-16 UNF
NSN5340-00-205-6947
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 133B8544P2 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
•
DESIGN TYPE: THREADED
•
DRIVE TYPE: SERRATED
•
FEATURES PROVIDED: SHOULDER
•
THREAD CLASS: 3A A
•
MATERIAL: ALUMINUM
•
OVERALL DIAMETER: 0.938 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESDESIGNED TO FIT ERMETO TYPE FITTINGS
DESIGN TYPETHREADED
DRIVE TYPESERRATED
FEATURES PROVIDEDSHOULDER
THREAD CLASS3A A
MATERIALALUMINUM
OVERALL DIAMETER0.938 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-16 UNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
133B8544P1Upgraded Successor
successor cross-reference
successor
MIL-C-5501/1-3Upgraded Successor
successor cross-reference
successor
SP-3ERAUpgraded Successor
successor cross-reference
successor
133B8544Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 133B8544P2?
133B8544P2 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 133B8544P2?
There are 4 known substitutes for 133B8544P2: 133B8544P1, MIL-C-5501/1-3, SP-3ERA and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 133B8544P2?
133B8544P2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-6947. 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