C018-2-20 — NUT ASSEMBLY,TUBE COUPLING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

C018-2-20: NUT ASSEMBLY,TUBE COUPLING.

The NUT ASSEMBLY,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, thread_size: 1-7/8-12, thread_class: 2B, overall_length: 0.629 INCHES MAXIMUM IN, outside_diameter: 2.000 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN, special_features: FURNISHED WITH TWO WASHERS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-893-6607, 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

C018-2-20

NSN: 4730-00-893-6607
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY
thread_size	1-7/8-12
thread_class	2B
overall_length	0.629 INCHES MAXIMUM IN
outside_diameter	2.000 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN
special_features	FURNISHED WITH TWO WASHERS
style_designator	NUT ASSEMBLY
thread_direction	RIGHT-HAND
surface_treatment	ANODIZE
working_temp_and_service_type	65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL
screw_thread_series_designator	UN
working_pressure_and_service_type	125.00 POUNDS PER SQUARE INCH (PSI) NOMINAL JET FUEL LBS
NSN	4730-00-893-6607

COMPONENT DIAGRAM

KEY FEATURES

•

WORKING TEMP AND SERVICE TYPE: 65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL

•

TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.250 INCHES NOMINAL IN

•

STYLE DESIGNATOR: NUT ASSEMBLY

•

OUTSIDE DIAMETER: 2.000 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD SIZE: 1-7/8-12

TECHNICAL CHARACTERISTICS

WORKING TEMP AND SERVICE TYPE	65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED	1.250 INCHES NOMINAL IN
STYLE DESIGNATOR	NUT ASSEMBLY
OVERALL LENGTH	0.629 INCHES MAXIMUM IN
OUTSIDE DIAMETER	2.000 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND
THREAD SIZE	1-7/8-12
SPECIAL FEATURES	FURNISHED WITH TWO WASHERS
SCREW THREAD SERIES DESIGNATOR	UN
SURFACE TREATMENT	ANODIZE

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 3

63551-20ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AS1713D20Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

SAE-AS1710Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 C018-2-20?

C018-2-20 is a NUT ASSEMBLY,TUBE COUPLING.

What parts can replace C018-2-20?

There are 3 known substitutes for C018-2-20: 63551-20A, AS1713D20, SAE-AS1710. Substitute compatibility should be verified for your specific system.

What is the NSN for C018-2-20?

C018-2-20 is cataloged in the U.S. Government catalog under NSN 4730-00-893-6607. This indicates validated use in U.S. government and defense supply chains.

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