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783FS1X1-2 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

783FS1X1-2: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 12.0 DEGREES FIRST END, reducer_type: CONCENTRIC, thread_class: 2A FIRST END A, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-993-4517, 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
783FS1X1-2
NSN: 4730-00-993-4517
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30327 — IMPERIAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle12.0 DEGREES FIRST END
reducer_typeCONCENTRIC
thread_class2A FIRST END A
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) SECOND END
surface_treatmentPHOSPHATE OVERALL
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length2.050 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE
nominal_outside_diameter_tube_accommodated1.000 INCHES SECOND END IN
NSN4730-00-993-4517
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 783FS1X1-2 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 2.050 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEFLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH2.050 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
SEAT ANGLE12.0 DEGREES FIRST END
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 3
16-8TRBUSReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8TRBUSReference document
Same NSN cross-reference
Reference document — Design control — primary reference
16-8LHBU-SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 783FS1X1-2?
783FS1X1-2 is a REDUCER,TUBE.
What parts can replace 783FS1X1-2?
There are 3 known substitutes for 783FS1X1-2: 16-8TRBUS, 8TRBUS, 16-8LHBU-S. Substitute compatibility should be verified for your specific system.
What is the NSN for 783FS1X1-2?
783FS1X1-2 is cataloged in the U.S. Government catalog under NSN 4730-00-993-4517. This indicates validated use in U.S. government and defense supply chains.
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