D-280 — PACKING NUT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

D-280: PACKING NUT.

The PACKING NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018, thread_size: 3/4-16, thread_class: 3A A, overall_length: 1.000 INCHES NOMINAL IN, style_designator: HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-074-4869, 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

D-280

NSN: 4730-01-074-4869
NIINs: 010744869, 013815460, 014585080
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 20263 — MKT GEOTECHNICAL SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 1018
thread_size	3/4-16
thread_class	3A A
overall_length	1.000 INCHES NOMINAL IN
special_features	INSIDE DIA AT HEAD END FLARED; DRILLED HOLE 0.185 IN. DIA 0.109 IN. DEEP LOCATED 0.281 IN. FROM BOTTOM WITH NYLON INSERT IN
style_designator	HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER
thread_direction	RIGHT-HAND
length_to_shoulder	0.620 INCHES NOMINAL IN
width_across_flats	0.750 INCHES NOMINAL IN
screw_thread_location	EXTERNAL
casehardening_indicator	NOT CASEHARDENED
screw_thread_series_designator	UNF
NSN	4730-01-074-4869

COMPONENT DIAGRAM

KEY FEATURES

•

LENGTH TO SHOULDER: 0.620 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN

•

STYLE DESIGNATOR: HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER

•

THREAD DIRECTION: RIGHT-HAND

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

•

THREAD SIZE: 3/4-16

TECHNICAL CHARACTERISTICS

LENGTH TO SHOULDER	0.620 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.750 INCHES NOMINAL IN
STYLE DESIGNATOR	HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER
OVERALL LENGTH	1.000 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
CASEHARDENING INDICATOR	NOT CASEHARDENED
THREAD SIZE	3/4-16
SPECIAL FEATURES	INSIDE DIA AT HEAD END FLARED; DRILLED HOLE 0.185 IN. DIA 0.109 IN. DEEP LOCATED 0.281 IN. FROM BOTTOM WITH NYLON INSERT IN
SCREW THREAD SERIES DESIGNATOR	UNF
THREAD CLASS	3A A

SUBSTITUTES & CROSS-REFERENCES 1

0103400Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D-280?

D-280 is a PACKING NUT.

What parts can replace D-280?

There is 1 known substitute for D-280: 0103400. Substitute compatibility should be verified for your specific system.

What is the NSN for D-280?

D-280 is cataloged in the U.S. Government catalog under NSN 4730-01-074-4869. This indicates validated use in U.S. government and defense supply chains.

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