PartsTable
Technical Data Sheet
NAS814-3B ✓ 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,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: THREADED, thread_class: 2B, overall_diameter: 0.188 INCHES NOMINAL IN, round_cap_outside_surface_condition: RIBBED, thread_size_and_series/type_designator: 3/8-24 UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-030-4466, 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
NAS814-3B
NSN: 5340-01-030-4466
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialPLASTIC
design_typeTHREADED
thread_class2B
overall_diameter0.188 INCHES NOMINAL IN
round_cap_outside_surface_conditionRIBBED
thread_size_and_series/type_designator3/8-24 UNF
NSN5340-01-030-4466
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS814-3B 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: PLASTIC
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
OVERALL DIAMETER: 0.188 INCHES NOMINAL IN
THREAD CLASS: 2B
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-24 UNF
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
OVERALL DIAMETER0.188 INCHES NOMINAL IN
THREAD CLASS2B
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-24 UNF
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
NAS817-6Upgraded Successor
successor cross-reference
successor
NAS835-6AUpgraded Successor
successor cross-reference
successor
10117546Upgraded Successor
successor cross-reference
successor
MIL-C-5501/3Upgraded Successor
successor cross-reference
successor
M5501/3-R8Upgraded Successor
successor cross-reference
successor
NAS814-8BUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS814-3B?
NAS814-3B is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace NAS814-3B?
There are 21 known substitutes for NAS814-3B: NAS817-6, NAS835-6A, 10117546 and 18 more. Substitute compatibility should be verified for your specific system.
Is NAS814-3B still available?
NAS814-3B is currently cancelled.
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