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6448K36 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6448K36: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER, design_type: FRICTION, special_features: HAS A DUROMETER OF 40A-70A. MAXIMUM TEMP IS 200 DEGREES F.

COLOR IS BLACK. HAS AN INSIDE HEIGHT OF 1.5 INCHES. A, part_name_assigned_by_controlling_agency: CHEMICAL RESISTANT RUBBER CAP, opening_inside_diameter_for_which_designed: 1.125 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-631-6526, 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
6448K36
NSN: 5340-01-631-6526
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER
design_typeFRICTION
special_featuresHAS A DUROMETER OF 40A-70A. MAXIMUM TEMP IS 200 DEGREES F. COLOR IS BLACK. HAS AN INSIDE HEIGHT OF 1.5 INCHES. A
part_name_assigned_by_controlling_agencyCHEMICAL RESISTANT RUBBER CAP
opening_inside_diameter_for_which_designed1.125 INCHES NOMINAL IN
NSN5340-01-631-6526
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6448K36 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
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.125 INCHES NOMINAL IN
SPECIAL FEATURESHAS A DUROMETER OF 40A-70A. MAXIMUM TEMP IS 200 DEGREES F. COLOR IS BLACK. HAS AN INSIDE HEIGHT OF 1.5 INCHES. A
PART NAME ASSIGNED BY CONTROLLING AGENCYCHEMICAL RESISTANT RUBBER CAP
MATERIALRUBBER
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 6448K36?
6448K36 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 6448K36?
6448K36 is cataloged in the U.S. Government catalog under NSN 5340-01-631-6526. 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.