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57017 ITEM 685 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

57017 ITEM 685: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED INTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, nominal_overall_length: 1.250 INCHES IN, nominal_pipe_size_accommodated: 0.750 INCHES SECOND END IN, nominal_outside_diameter_tube_accommodated: 0.750 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-142-7881, 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
57017 ITEM 685
NSN: 4730-01-142-7881
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_overall_length1.250 INCHES IN
nominal_pipe_size_accommodated0.750 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.750 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.035 INCHES FIRST END IN
NSN4730-01-142-7881
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 57017 ITEM 685 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.035 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.250 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION STYLESOCKET (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.035 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.250 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
67193Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
67193-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 57017 ITEM 685?
57017 ITEM 685 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 57017 ITEM 685?
There are 2 known substitutes for 57017 ITEM 685: 67193, 67193-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 57017 ITEM 685?
57017 ITEM 685 is cataloged in the U.S. Government catalog under NSN 4730-01-142-7881. This indicates validated use in U.S. government and defense supply chains.
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