PartsTable
Technical Data Sheet
9975792-12 ✓ 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 REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: SOCKET (TUBE) FIRST END, nominal_overall_length: 1.031 INCHES IN, nominal_outside_diameter_tube_accommodated: 1.000 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-073-1699, 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
9975792-12
NSN: 4730-01-073-1699
FSC: 4730
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_styleSOCKET (TUBE) FIRST END
nominal_overall_length1.031 INCHES IN
nominal_outside_diameter_tube_accommodated1.000 INCHES FIRST END IN
NSN4730-01-073-1699
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9975792-12 · 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
MATERIAL: COPPER ALLOY OVERALL
CONNECTION STYLE: PLAIN (TUBE) SECOND END
NOMINAL OVERALL LENGTH: 1.031 INCHES IN
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEPLAIN (TUBE) SECOND END
NOMINAL OVERALL LENGTH1.031 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
REDUCER TYPECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
290798Interchangeable
interchangeable cross-reference
interchangeable
W1737Interchangeable
interchangeable cross-reference
interchangeable
P1-23345Interchangeable
interchangeable cross-reference
interchangeable
618-1X3-4Interchangeable
Same NIIN cross-reference
interchangeable
618 1X3/4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9975792-12?
9975792-12 is a REDUCER,TUBE.
What parts can replace 9975792-12?
There are 5 known substitutes for 9975792-12: 290798, W1737, P1-23345 and 2 more. Substitute compatibility should be verified for your specific system.
Is 9975792-12 still available?
9975792-12 is currently cancelled.
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