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4171214 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4171214: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: MOLDED, overall_height: 2.895 INCHES NOMINAL IN, overall_diameter: 1.828 INCHES NOMINAL IN, width_across_flats: 1.567 INCHES NOMINAL IN, end_item_identification: MRAP - M-ATV. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-666-3312, 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
4171214
NSN: 5340-01-666-3312
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC
design_typeMOLDED
overall_height2.895 INCHES NOMINAL IN
overall_diameter1.828 INCHES NOMINAL IN
width_across_flats1.567 INCHES NOMINAL IN
end_item_identificationMRAP - M-ATV
part_name_assigned_by_controlling_agencyHD10 END CAP
NSN5340-01-666-3312
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4171214 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
•
WIDTH ACROSS FLATS: 1.567 INCHES NOMINAL IN
•
DESIGN TYPE: MOLDED
•
OVERALL DIAMETER: 1.828 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.895 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.567 INCHES NOMINAL IN
DESIGN TYPEMOLDED
OVERALL DIAMETER1.828 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHD10 END CAP
END ITEM IDENTIFICATIONMRAP - M-ATV
MATERIALPLASTIC
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
HDC9-JDL082397Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4171214?
4171214 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 4171214?
There is 1 known substitute for 4171214: HDC9-JDL082397. Substitute compatibility should be verified for your specific system.
What is the NSN for 4171214?
4171214 is cataloged in the U.S. Government catalog under NSN 5340-01-666-3312. 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.