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6266152 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6266152: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL COMP 1010, design_type: FRICTION, overall_diameter: 3.880 INCHES NOMINAL IN, special_features: 4 MTG HOLES 0.219 COUNTERTBOR TO 0.359 IN. ON BOLT CIRCLE OF 3.306 IN.

IN, surface_treatment: CADMIUM, inside_diameter_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-376-5594, 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
6266152
NSN: 5340-01-376-5594
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1010
design_typeFRICTION
overall_diameter3.880 INCHES NOMINAL IN
special_features4 MTG HOLES 0.219 COUNTERTBOR TO 0.359 IN. ON BOLT CIRCLE OF 3.306 IN. IN
surface_treatmentCADMIUM
inside_diameter_length0.750 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
material_document_and_classificationASTM 576, COMP 1010 ASSN STD SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed2.533 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-376-5594
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6266152 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 3.880 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.533 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 576, COMP 1010 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL COMP 1010
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
DESIGN TYPEFRICTION
OVERALL DIAMETER3.880 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.533 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 576, COMP 1010 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURES4 MTG HOLES 0.219 COUNTERTBOR TO 0.359 IN. ON BOLT CIRCLE OF 3.306 IN. IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL COMP 1010
INSIDE DIAMETER LENGTH0.750 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
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 6266152?
6266152 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 6266152?
6266152 is cataloged in the U.S. Government catalog under NSN 5340-01-376-5594. 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.