PartsTable
Technical Data Sheet
NAS818B8 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-828-8802, 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
NAS818B8
NSN: 5340-00-828-8802
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
NSN5340-00-828-8802
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS818B8 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/2, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS: 2A A
FEATURES PROVIDED: SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/4-16 UNF
MATERIAL: ALUMINUM ALLOY 3003
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/2, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A A
FEATURES PROVIDEDSHOULDER
SPECIAL FEATURESSURFACE TREATMENT MIL-A-8625 TY 2
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/4-16 UNF
MATERIALALUMINUM ALLOY 3003
SURFACE TREATMENTANODIZE
DESIGN TYPETHREADED
OVERALL DIAMETER0.940 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
M5501/1-R6Upgraded Successor
successor cross-reference
successor
MILC5501Upgraded Successor
successor cross-reference
successor
MIL-C-5501/1Upgraded Successor
successor cross-reference
successor
M5501/1-R8Upgraded Successor
successor cross-reference
successor
PD60Upgraded Successor
successor cross-reference
successor
25726009-04Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy NAS818B8?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NAS818B8?
NAS818B8 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS818B8?
There are 25 known substitutes for NAS818B8: M5501/1-R6, MILC5501, MIL-C-5501/1 and 22 more. Substitute compatibility should be verified for your specific system.
Is NAS818B8 still available?
NAS818B8 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NAS818B8