PartsTable
Technical Data Sheet
Download PDF

12616442-16 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12616442-16: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES FIRST END, reducer_type: CONCENTRIC, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-166-6198, 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
12616442-16
NSN: 4730-01-166-6198
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle37.0 DEGREES FIRST END
reducer_typeCONCENTRIC
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
surface_treatmentNICKEL AND CADMIUM OVERALL
nominal_thread_size1.188 INCHES FIRST END IN
nominal_overall_length1.980 INCHES IN
thread_series_designatorUNEF FIRST END
nominal_outside_diameter_tube_accommodated0.750 INCHES FIRST END IN
surface_treatment_document_and_classificationMIL-C-26074,CLASS 3 OR 4,GRADE B MIL SPEC SINGLE TREATMENT RESPONSE AND QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-166-6198
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12616442-16 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-26074,CLASS 3 OR 4,GRADE B MIL SPEC SINGLE TREATMENT RESPONSE AND QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
•
NOMINAL OVERALL LENGTH: 1.980 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-26074,CLASS 3 OR 4,GRADE B MIL SPEC SINGLE TREATMENT RESPONSE AND QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
CONNECTION STYLEPLAIN (TUBE) SECOND END
NOMINAL OVERALL LENGTH1.980 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES FIRST END IN
NOMINAL THREAD SIZE1.188 INCHES FIRST END IN
SEAT ANGLE37.0 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 1
12616442Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 12616442-16?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12616442-16?
12616442-16 is a REDUCER,TUBE.
What parts can replace 12616442-16?
There is 1 known substitute for 12616442-16: 12616442. Substitute compatibility should be verified for your specific system.
What is the NSN for 12616442-16?
12616442-16 is cataloged in the U.S. Government catalog under NSN 4730-01-166-6198. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12616442-16