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Technical Data Sheet
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1304730 ✓ 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: STEEL OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: GASKET SEAL, COMPRESSION (TUBE) FIRST END, special_features: SUPPOTS CLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889284,W/ROPS NSN 2420010590090 W, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-422-9431, 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
1304730
NSN: 4730-00-422-9431
FSC: 4730
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleGASKET SEAL, COMPRESSION (TUBE) FIRST END
special_featuresSUPPOTS CLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889284,W/ROPS NSN 2420010590090 W
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.687 INCHES FIRST END IN
nominal_overall_length1.593 INCHES IN
thread_quantity_per_inch20 FIRST END
thread_series_designatorUN FIRST END
furnished_items_and_quantity1 TUBE COUPLING NUT AND 1 SPLIT COLLET SLEEVE AND 1 PREFORMED PACKING AND 1 BACKUP WASHER
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4730-00-422-9431
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1304730 · 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: 1.593 INCHES IN
•
CONNECTION STYLE: GASKET SEAL, COMPRESSION (TUBE) FIRST END
•
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
•
THREAD CLASS: 2A FIRST END A
•
THREAD QUANTITY PER INCH: 20 FIRST END
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.593 INCHES IN
CONNECTION STYLEGASKET SEAL, COMPRESSION (TUBE) FIRST END
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
THREAD CLASS2A FIRST END A
THREAD QUANTITY PER INCH20 FIRST END
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
THREAD SERIES DESIGNATORUN FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
666-6Interchangeable
interchangeable cross-reference
interchangeable
T2500-06Interchangeable
interchangeable cross-reference
interchangeable
R502-6Interchangeable
interchangeable cross-reference
interchangeable
100-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1304730?
1304730 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 1304730?
There are 4 known substitutes for 1304730: 666-6, T2500-06, R502-6 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1304730?
1304730 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-422-9431. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026