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1201115 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1201115: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: MACHINED, overall_length: 1.96 INCHES NOMINAL IN, overall_diameter: 3.56 INCHES NOMINAL IN, end_item_identification: 5419-01-539-7177, part_name_assigned_by_controlling_agency: V-COUPLER (DUST CAP). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-660-8654, 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
1201115
NSN: 5340-01-660-8654
FSC: 5340 — Hardware, Commercial
CAGE: 33813 — PARRISH ENTERPRISES, LTD. DBA PT COUPLING DIV PT (USA)
SPECIFICATIONS
materialSTEEL
design_typeMACHINED
overall_length1.96 INCHES NOMINAL IN
overall_diameter3.56 INCHES NOMINAL IN
end_item_identification5419-01-539-7177
part_name_assigned_by_controlling_agencyV-COUPLER (DUST CAP)
NSN5340-01-660-8654
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1201115 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
•
DESIGN TYPE: MACHINED
•
OVERALL DIAMETER: 3.56 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
DESIGN TYPEMACHINED
OVERALL DIAMETER3.56 INCHES NOMINAL IN
OVERALL LENGTH1.96 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYV-COUPLER (DUST CAP)
END ITEM IDENTIFICATION5419-01-539-7177
MATERIALSTEEL
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

No substitute or cross-reference records for this part.

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 1201115?
1201115 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 1201115?
1201115 is cataloged in the U.S. Government catalog under NSN 5340-01-660-8654. 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.