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9975792-18 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

9975792-18: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: SOCKET (TUBE) FIRST END, nominal_overall_length: 1.156 INCHES IN, nominal_outside_diameter_tube_accommodated: 1.125 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-809-9682, 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
9975792-18
NSN: 4730-00-809-9682
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_styleSOCKET (TUBE) FIRST END
nominal_overall_length1.156 INCHES IN
nominal_outside_diameter_tube_accommodated1.125 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.109 INCHES SECOND END IN
NSN4730-00-809-9682
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9975792-18 · 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
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.109 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.156 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.625 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLESOCKET (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.109 INCHES SECOND END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.050 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.156 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.625 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES FIRST END IN
MATERIALCOPPER OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9975792-18?
9975792-18 is a REDUCER,TUBE.
What is the NSN for 9975792-18?
9975792-18 is cataloged in the U.S. Government catalog under NSN 4730-00-809-9682. This indicates validated use in U.S. government and defense supply chains.
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