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Technical Data Sheet
PartsTable / COMPONENT / 68F
68F ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: COMPRESSION (TUBE) FIRST END, special_features: SUPPORTS HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-270-4621, 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
68F
NSN: 4730-00-270-4621
FSC: 4730
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleCOMPRESSION (TUBE) FIRST END
special_featuresSUPPORTS HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN 3810-00-151-4431
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
seat_nominal_radius0.062 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.281 INCHES IN
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorUNF FIRST END
NSN4730-00-270-4621
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 68F · 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 OVERALL LENGTH: 1.500 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81343-512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
NONDEFINITIVE SPEC/STD DATA: 12A FIGURE A
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.438 INCHES FIRST END IN
•
MEDIA FOR WHICH DESIGNED: FLUID SECOND RESPONSE
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.500 INCHES IN
SPECIFICATION/STANDARD DATA81343-512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION STYLEPLAIN (PIPE) SECOND END
NONDEFINITIVE SPEC/STD DATA12A FIGURE A
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.438 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDFLUID SECOND RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
THREAD SERIES DESIGNATORNPTF SECOND END
FURNISHED ITEMS AND QUANTITY1 SHORT COUPLING NUT WITH SLEEVE
MATERIALCOPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
R1-597Interchangeable
interchangeable cross-reference
interchangeable
913009Interchangeable
interchangeable cross-reference
interchangeable
28888Interchangeable
interchangeable cross-reference
interchangeable
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
453B120Interchangeable
interchangeable cross-reference
interchangeable
3299Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68F?
68F is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 68F?
There are 25 known substitutes for 68F: R1-597, 913009, 28888 and 22 more. Substitute compatibility should be verified for your specific system.
Is 68F still available?
68F is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026