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52155K74 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52155K74: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: COPPER ALLOY, drive_type: RAISED RIB, end_item_identification: 5410-01-539-7180, part_name_assigned_by_controlling_agency: CAM-AND-GROOVE HOSE COUPLING, opening_inside_diameter_for_which_designed: 1.5 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-643-7659, 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
52155K74
NSN: 5340-01-643-7659
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
drive_typeRAISED RIB
end_item_identification5410-01-539-7180
part_name_assigned_by_controlling_agencyCAM-AND-GROOVE HOSE COUPLING
opening_inside_diameter_for_which_designed1.5 INCHES NOMINAL IN
NSN5340-01-643-7659
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52155K74 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
•
DRIVE TYPE: RAISED RIB
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 1.5 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
DRIVE TYPERAISED RIB
OPENING INSIDE DIAMETER FOR WHICH DESIGNED1.5 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAM-AND-GROOVE HOSE COUPLING
END ITEM IDENTIFICATION5410-01-539-7180
MATERIALCOPPER ALLOY
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 52155K74?
52155K74 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 52155K74?
52155K74 is cataloged in the U.S. Government catalog under NSN 5340-01-643-7659. 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.