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52766 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52766: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 345 OR COPPER ALLOY 360 OVERALL, thread_class: 2A FIRST END A, connection_style: COMPRESSION (TUBE) FIRST END, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.687 INCHES FIRST END IN, seat_nominal_radius: 0.050 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-091-1387, 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
52766
NSN: 5340-00-091-1387
NIINs: 000911387, 001268445
FSC: 5340 — Hardware, Commercial
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 345 OR COPPER ALLOY 360 OVERALL
thread_class2A FIRST END A
connection_styleCOMPRESSION (TUBE) FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.687 INCHES FIRST END IN
seat_nominal_radius0.050 INCHES FIRST END IN
maximum_operating_temp250.0 CELSIUS SECOND RESPONSE DEGC
nominal_overall_length1.510 INCHES IN
end_item_identification2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR)
media_for_which_designedAIR SINGLE RESPONSE
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
NSN5340-00-091-1387
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52766 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
•
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL IN
•
LENGTH: 1.594 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
LENGTH1.594 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
CROSS-SECTIONAL SHAPEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 2
116A6557Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
17812Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52766?
52766 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 52766?
There are 2 known substitutes for 52766: 116A6557, 17812. Substitute compatibility should be verified for your specific system.
What is the NSN for 52766?
52766 is cataloged in the U.S. Government catalog under NSN 5340-00-091-1387. This indicates validated use in U.S. government and defense supply chains.
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