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AMS21916K16-8 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AMS21916K16-8: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 37.0 DEGREES SECOND END, reducer_type: CONCENTRIC, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARELESS (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-159-7683, 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
AMS21916K16-8
NSN: 4730-01-159-7683
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 34974 — AMERRAY HYDRAULICS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle37.0 DEGREES SECOND END
reducer_typeCONCENTRIC
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleFLARELESS (TUBE) FIRST END
nominal_thread_size1.312 INCHES FIRST END IN
nominal_overall_length1.750 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
nominal_outside_diameter_tube_accommodated1.000 INCHES FIRST END IN
NSN4730-01-159-7683
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AMS21916K16-8 · 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: FLARELESS (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.750 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARELESS (TUBE) SECOND END
CONNECTION STYLEFLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.750 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES SECOND 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 2
4730PL0977361Reference document
Same NSN cross-reference
Reference document — Informative reference only
5190214Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AMS21916K16-8?
AMS21916K16-8 is a REDUCER,TUBE.
What parts can replace AMS21916K16-8?
There are 2 known substitutes for AMS21916K16-8: 4730PL0977361, 5190214. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS21916K16-8?
AMS21916K16-8 is cataloged in the U.S. Government catalog under NSN 4730-01-159-7683. This indicates validated use in U.S. government and defense supply chains.
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