404678 — NUT,PLAIN,ROUND

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

404678: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, hole_diameter: 0.062 INCHES NOMINAL IN, thread_length: 0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-551-1784, 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

404678

NSN: 5306-00-551-1784
NIINs: 005511784, 011913147
FSC: 5306 — Bolts
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)

SPECIFICATIONS

material	STEEL COMP 601 OVERALL
hole_type	DRILLED
head_style	HEXAGON
head_height	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
hole_diameter	0.062 INCHES NOMINAL IN
hole_quantity	6
thread_length	0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
fastener_length	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
hardness_rating	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_features	CRITICAL FEATURES,TOLERANCES,FIT RESTRICTIONS,MATERIAL PROPERTIES AND MANUFACTURING PROCESS
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
NSN	5306-00-551-1784

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL

•

THREAD LENGTH: 0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN

•

HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH	0.357 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATION	FEAT
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
FEATURES PROVIDED	FINISHED HEAD

SUBSTITUTES & CROSS-REFERENCES 1

286247Reference document

Same NSN cross-reference

Reference document — Secondary 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 404678?

404678 is a NUT,PLAIN,ROUND.

What parts can replace 404678?

There is 1 known substitute for 404678: 286247. Substitute compatibility should be verified for your specific system.

What is the NSN for 404678?

404678 is cataloged in the U.S. Government catalog under NSN 5306-00-551-1784. This indicates validated use in U.S. government and defense supply chains.

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