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Technical Data Sheet
133B8544 ✓ 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 ALLOY 3003, drive_type: SERRATED OR SQUARE HEAD OR HEX SOCKET, design_type: THREADED, overall_diameter: 0.500 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN, special_features: BODY LENGTH 3/8" ONLY, surface_treatment: CHROMATE OR ANODIZE. 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
133B8544
NSN: 5340-00-205-6947
FSC: 5340
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 3003
drive_typeSERRATED OR SQUARE HEAD OR HEX SOCKET
design_typeTHREADED
overall_diameter0.500 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
special_featuresBODY LENGTH 3/8" ONLY
surface_treatmentCHROMATE OR ANODIZE
nondefinitive_spec/std_data3 TYPE AND A CLASS AND 3 SIZE
material_document_and_classificationQQ-A-250/2 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator3/8-24 NF
surface_treatment_document_and_classificationMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-00-205-6947
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 133B8544 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
133B8544P2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 133B8544?
133B8544 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 133B8544?
There are 4 known substitutes for 133B8544: 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 133B8544?
133B8544 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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