AN6289C20 — LOCKNUT,TUBE FITTING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

AN6289C20: LOCKNUT,TUBE FITTING.

The LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: TUBE FITTING LOCKNUT, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-683-8649, 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

AN6289C20

NSN: 4730-00-683-8649
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
nut_style	TUBE FITTING LOCKNUT
thread_class	3B
thread_series	UN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN
nominal_thread_size	0.625 INCHES IN
packing_recess_depth	0.054 INCHES NOMINAL IN
packing_recess_diameter	1.854 INCHES NOMINAL IN
thread_quantity_per_inch	12
nominal_tube_outside_diameter	1.250 INCHES IN
NSN	4730-00-683-8649

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN

•

PACKING RECESS DIAMETER: 1.854 INCHES NOMINAL IN

•

THREAD SERIES: UN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.625 INCHES IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

NUT STYLE: TUBE FITTING LOCKNUT

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.922 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN
PACKING RECESS DIAMETER	1.854 INCHES NOMINAL IN
THREAD SERIES	UN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.625 INCHES IN
SURFACE TREATMENT	PASSIVATE OVERALL
NUT STYLE	TUBE FITTING LOCKNUT
THREAD CLASS	3B
THREAD QUANTITY PER INCH	12
MATERIAL	STEEL CORROSION RESISTING OVERALL

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 5

AN6289J20Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS4841Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS5179Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS5179J20Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS4841Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 AN6289C20?

AN6289C20 is a LOCKNUT,TUBE FITTING.

What parts can replace AN6289C20?

There are 5 known substitutes for AN6289C20: AN6289J20, SAE-AS4841, AS5179 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for AN6289C20?

AN6289C20 is cataloged in the U.S. Government catalog under NSN 4730-00-683-8649. This indicates validated use in U.S. government and defense supply chains.

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AN6289C20 — LOCKNUT,TUBE FITTING

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