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Technical Data Sheet

5 1/8IN SC — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5 1/8IN SC: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: FRICTION, overall_diameter: 5.225 INCHES NOMINAL IN, inside_diameter_length: 5.125 INCHES NOMINAL IN, material_document_and_classification: L-P-390 FED SPEC SINGLE MATERIAL RESPONSE, tube_outside_diameter_for_which_designed: 5.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-022-6870, 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
5 1/8IN SC
NSN: 5340-01-022-6870
FSC: 5340 — Hardware, Commercial
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeFRICTION
overall_diameter5.225 INCHES NOMINAL IN
inside_diameter_length5.125 INCHES NOMINAL IN
material_document_and_classificationL-P-390 FED SPEC SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed5.125 INCHES NOMINAL IN
NSN5340-01-022-6870
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5 1/8IN SC 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: FRICTION
•
OVERALL DIAMETER: 5.225 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 5.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
INSIDE DIAMETER LENGTH: 5.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER5.225 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED5.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC, POLYETHYLENE (PP)
INSIDE DIAMETER LENGTH5.125 INCHES NOMINAL IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5 1/8IN SC?
5 1/8IN SC is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 5 1/8IN SC?
5 1/8IN SC is cataloged in the U.S. Government catalog under NSN 5340-01-022-6870. 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.