12811C18A — NUT,COUPLING,FLEXIBLE CASING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12811C18A: NUT,COUPLING,FLEXIBLE CASING.

The NUT,COUPLING,FLEXIBLE CASING is a the manufacturer industrial component. Key specifications include thread_size: A3.000-16, thread_length: 1.060 INCHES NOMINAL IN, overall_length: 1.060 INCHES NOMINAL IN, outside_diameter: 4.250 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, seat_end_inside_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-383-5168, 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

12811C18A

NSN: 3040-01-383-5168
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)

SPECIFICATIONS

thread_size	A3.000-16
thread_length	1.060 INCHES NOMINAL IN
overall_length	1.060 INCHES NOMINAL IN
outside_diameter	4.250 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
special_features	QUANTITY SET SCREW HOLES, 4; TAPPED SET SCREW HOLE INCLUDED; MATERIAL, TITANIUM ALLOY; THREAD SIZE AND SERIES, UNC 5/16-18
thread_direction	RIGHT-HAND
seat_end_inside_diameter	3.000 INCHES NOMINAL IN
screw_thread_series_designator	UN
NSN	3040-01-383-5168

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 1.060 INCHES NOMINAL IN

•

OUTSIDE DIAMETER: 4.250 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN

•

SEAT END INSIDE DIAMETER: 3.000 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD SIZE: A3.000-16

•

SCREW THREAD SERIES DESIGNATOR: UN

TECHNICAL CHARACTERISTICS

THREAD LENGTH	1.060 INCHES NOMINAL IN
OVERALL LENGTH	1.060 INCHES NOMINAL IN
OUTSIDE DIAMETER	4.250 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
SEAT END INSIDE DIAMETER	3.000 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
THREAD SIZE	A3.000-16
SPECIAL FEATURES	QUANTITY SET SCREW HOLES, 4; TAPPED SET SCREW HOLE INCLUDED; MATERIAL, TITANIUM ALLOY; THREAD SIZE AND SERIES, UNC 5/16-18
SCREW THREAD SERIES DESIGNATOR	UN

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 2

PL-12731F18ITEM164AReference document

Same NSN cross-reference

Reference document — Secondary reference

12811C18Reference 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 12811C18A?

12811C18A is a NUT,COUPLING,FLEXIBLE CASING.

What parts can replace 12811C18A?

There are 2 known substitutes for 12811C18A: PL-12731F18ITEM164A, 12811C18. Substitute compatibility should be verified for your specific system.

What is the NSN for 12811C18A?

12811C18A is cataloged in the U.S. Government catalog under NSN 3040-01-383-5168. This indicates validated use in U.S. government and defense supply chains.

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12811C18A — NUT,COUPLING,FLEXIBLE CASING

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