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516-5486653 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

516-5486653: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, flow_angle: 90.0 DEGREES, nut_height: 0.438 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-289-8417, 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
516-5486653
NSN: 4730-01-289-8417
NIINs: 012898417, 013148806, 013148807, 013148813, 013148820, 013148821, 013148824, 013148845
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
flow_angle90.0 DEGREES
nut_height0.438 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND EXTERNAL
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size2.000 INCHES EXTERNAL IN
nominal_overall_length2.625 INCHES IN
hole_configuration_styleCONFIGURATION C
thread_quantity_per_inch12 FIRST END
NSN4730-01-289-8417
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 516-5486653 · 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
•
NOMINAL PIPE SIZE DESIGNATION: 0.250 INCHES IN
•
END CONNECTION TYPE: THREADED
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE DESIGNATION0.250 INCHES IN
END CONNECTION TYPETHREADED
OVERALL LENGTH1.062 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
516-5486653 F13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
104R-1 CAT 68-CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 516-5486653?
516-5486653 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 516-5486653?
There are 2 known substitutes for 516-5486653: 516-5486653 F13, 104R-1 CAT 68-C. Substitute compatibility should be verified for your specific system.
What is the NSN for 516-5486653?
516-5486653 is cataloged in the U.S. Government catalog under NSN 4730-01-289-8417. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.