T1039 — NUT,TUBE COUPLING

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

T1039: NUT,TUBE COUPLING.

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, nut_style: TUBE COUPLING, nut_height: 0.625 INCHES NOMINAL IN, seat_angle: 0.45 DEGREES NOMINAL, thread_class: 2B, thread_series: UN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-051-3778, 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

T1039

NSN: 4730-00-051-3778
NIINs: 000513778, 003137015, 004180369, 007336839, 007996249, 008308380, 009598766, 011664515
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 08118 — EATON AVIATION CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM OVERALL
nut_style	TUBE COUPLING
nut_height	0.625 INCHES NOMINAL IN
seat_angle	0.45 DEGREES NOMINAL
thread_class	2B
thread_series	UN
special_features	FOUR HOLES 0.040 IN. DIA IN
thread_direction	RIGHT-HAND
surface_treatment	ANODIZE OVERALL
width_across_flats	2.610 INCHES NOMINAL IN
nominal_thread_size	2.250 INCHES IN
smallest_inside_diameter	2.091 INCHES NOMINAL IN
NSN	4730-00-051-3778

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.070 INCHES NOMINAL IN

•

THREAD SERIES: UNS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200,T4 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-225,T251 FED SPEC ALL MATERIAL RESPONSES OVERALL

•

SEAT ANGLE: 0.45 DEGREES NOMINAL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.923 INCHES IN

•

NUT HEIGHT: 0.450 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.070 INCHES NOMINAL IN
THREAD SERIES	UNS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200,T4 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-225,T251 FED SPEC ALL MATERIAL RESPONSES OVERALL
SEAT ANGLE	0.45 DEGREES NOMINAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.923 INCHES IN
NUT HEIGHT	0.450 INCHES NOMINAL IN
SPECIAL FEATURES	FOUR HOLES 0.040 IN. DIA IN
SURFACE TREATMENT	ANODIZE OVERALL
NUT STYLE	TUBE COUPLING

SUBSTITUTES & CROSS-REFERENCES 2

T1039-050Reference document

Same NSN cross-reference

Reference document — Secondary reference

N20005AReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is T1039?

T1039 is a NUT,TUBE COUPLING.

What parts can replace T1039?

There are 2 known substitutes for T1039: T1039-050, N20005A. Substitute compatibility should be verified for your specific system.

What is the NSN for T1039?

T1039 is cataloged in the U.S. Government catalog under NSN 4730-00-051-3778. This indicates validated use in U.S. government and defense supply chains.

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