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14-002103 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

14-002103: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include overall_height: 1.150 INCHES NOMINAL IN, overall_length: 3.010 INCHES NOMINAL IN, overall_diameter: 2.560 INCHES NOMINAL IN, end_item_identification: 4210-01-622-0440;TRUCK,FIRE FIGHTING, part_name_assigned_by_controlling_agency: CAP,RESEVOIR,3QT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-658-6043, 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
14-002103
NSN: 5340-01-658-6043
FSC: 5340 — Hardware, Commercial
CAGE: 5A691 — CLEVELAND IGNITION CO INC (USA)
SPECIFICATIONS
overall_height1.150 INCHES NOMINAL IN
overall_length3.010 INCHES NOMINAL IN
overall_diameter2.560 INCHES NOMINAL IN
end_item_identification4210-01-622-0440;TRUCK,FIRE FIGHTING
part_name_assigned_by_controlling_agencyCAP,RESEVOIR,3QT
NSN5340-01-658-6043
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 14-002103 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: 2.560 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.150 INCHES NOMINAL IN
OVERALL DIAMETER2.560 INCHES NOMINAL IN
OVERALL LENGTH3.010 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP,RESEVOIR,3QT
END ITEM IDENTIFICATION4210-01-622-0440;TRUCK,FIRE FIGHTING
SUBSTITUTES & CROSS-REFERENCES 1
4232451Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 14-002103?
14-002103 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 14-002103?
There is 1 known substitute for 14-002103: 4232451. Substitute compatibility should be verified for your specific system.
What is the NSN for 14-002103?
14-002103 is cataloged in the U.S. Government catalog under NSN 5340-01-658-6043. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.