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PartsTable / COMPONENT / 16843-14
16843-14 ✓ 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 design_type: FRICTION, overall_diameter: 1.125 INCHES NOMINAL IN, special_features: COLOR RED, inside_diameter_length: 0.500 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, tube_outside_diameter_for_which_designed: 0.853 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-837-9408, 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
16843-14
NSN: 5340-00-837-9408
FSC: 5340
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
design_typeFRICTION
overall_diameter1.125 INCHES NOMINAL IN
special_featuresCOLOR RED
inside_diameter_length0.500 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed0.853 INCHES NOMINAL IN
NSN5340-00-837-9408
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16843-14 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
•
OVERALL DIAMETER: 1.125 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.853 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
INSIDE DIAMETER LENGTH: 0.500 INCHES NOMINAL IN
•
DESIGN TYPE: FRICTION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.125 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.853 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR RED
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
INSIDE DIAMETER LENGTH0.500 INCHES NOMINAL IN
DESIGN TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
NAS844-8Upgraded Successor
successor cross-reference
successor
NAS847Upgraded Successor
successor cross-reference
successor
17SUpgraded Successor
successor cross-reference
successor
194Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
TC15-1714Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16843-14?
16843-14 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 16843-14?
There are 31 known substitutes for 16843-14: NAS844-8, NAS847, 17S and 28 more. Substitute compatibility should be verified for your specific system.
Is 16843-14 still available?
16843-14 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026