DF331084-4 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

DF331084-4: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-426-7122, 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

DF331084-4

NSN: 5306-01-426-7122
FSC: 5306 — Bolts
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
head_style	HEXAGON
head_height	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class	2A A
thread_length	0.750 INCHES NOMINAL IN
fastener_length	1.750 INCHES NOMINAL IN
locking_feature	PATCH OR PELLET OR STRIP THREADS
thread_direction	RIGHT-HAND
width_between_flats	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5306-01-426-7122

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.750 INCHES NOMINAL IN

•

THREAD LENGTH: 0.750 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN

•

LOCKING FEATURE: PATCH OR PELLET OR STRIP THREADS

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
FASTENER LENGTH	1.750 INCHES NOMINAL IN
THREAD LENGTH	0.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
LOCKING FEATURE	PATCH OR PELLET OR STRIP THREADS
THREAD CLASS	2A A
THREAD QUANTITY PER INCH	20

SUBSTITUTES & CROSS-REFERENCES 2

MIL-DTL-1222JReference document

Same NSN cross-reference

Reference document — Identification reference

MIL-S-1222 TYI GR400Reference 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 DF331084-4?

DF331084-4 is a BOLT,MACHINE.

What parts can replace DF331084-4?

There are 2 known substitutes for DF331084-4: MIL-DTL-1222J, MIL-S-1222 TYI GR400. Substitute compatibility should be verified for your specific system.

What is the NSN for DF331084-4?

DF331084-4 is cataloged in the U.S. Government catalog under NSN 5306-01-426-7122. This indicates validated use in U.S. government and defense supply chains.

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