PartsTable
Technical Data Sheet
NAS818-8 ✓ 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, design_type: THREADED, thread_class: 2A A, overall_diameter: 0.940 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN, special_features: SURFACE TREATMENT MIL-A-8625 TY 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-2398, 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
NAS818-8
NSN: 5340-00-817-2398
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 3003
drive_typeSERRATED
design_typeTHREADED
thread_class2A A
overall_diameter0.940 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
special_featuresSURFACE TREATMENT MIL-A-8625 TY 2
features_providedSHOULDER
surface_treatmentANODIZE
material_document_and_classificationQQ-A-250/2, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator3/4-16 UNF
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-817-2398
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS818-8 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
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/4-16 UNF
FEATURES PROVIDED: BEVELED SEAT AND SHOULDER
DESIGN TYPE: THREADED
MATERIAL: ALUMINUM
OVERALL DIAMETER: 0.937 INCHES NOMINAL IN
THREAD CLASS: 3A A
DRIVE TYPE: SERRATED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-16 UNF
FEATURES PROVIDEDBEVELED SEAT AND SHOULDER
DESIGN TYPETHREADED
MATERIALALUMINUM
OVERALL DIAMETER0.937 INCHES NOMINAL IN
THREAD CLASS3A A
DRIVE TYPESERRATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
NAS818-8Interchangeable
interchangeable cross-reference
interchangeable
45197-8Interchangeable
interchangeable cross-reference
interchangeable
ANOASP-8Interchangeable
interchangeable cross-reference
interchangeable
RB15257-7Interchangeable
Same NIIN cross-reference
interchangeable
5340PL1879667Interchangeable
Same NIIN cross-reference
interchangeable
5340PL0798507Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS818-8?
NAS818-8 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS818-8?
There are 8 known substitutes for NAS818-8: NAS818-8, 45197-8, ANOASP-8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS818-8?
NAS818-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-817-2398. This indicates validated use in U.S. government and defense supply chains.
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