321-0304-000 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

321-0304-000: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.104 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, thread_length: 0.140 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, fastener_length: 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-480-8433, 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

321-0304-000

NSN: 5305-00-480-8433
NIINs: 004808433, 010431342
FSC: 5305 — Screws
CAGE: 00243 — THE RY FERNER CO INC DBA METRIC SCREW AND TOOL (USA)

SPECIFICATIONS

head_style	FILLISTER
head_height	0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.104 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
thread_length	0.140 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
fastener_length	0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.073 INCHES IN
screw_surface_treatment	NICKEL
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch	72
NSN	5305-00-480-8433

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: NICKEL

•

FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.253 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.073 INCHES IN

•

HEAD STYLE: FILLISTER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	NICKEL
FASTENER LENGTH	0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.253 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.073 INCHES IN
HEAD STYLE	FILLISTER
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	COPPER ALLOY
INTERNAL DRIVE STYLE	SLOT

SUBSTITUTES & CROSS-REFERENCES 2

321-0306-000Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

321-0306-00Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 321-0304-000?

321-0304-000 is a SCREW,MACHINE.

What parts can replace 321-0304-000?

There are 2 known substitutes for 321-0304-000: 321-0306-000, 321-0306-00. Substitute compatibility should be verified for your specific system.

What is the NSN for 321-0304-000?

321-0304-000 is cataloged in the U.S. Government catalog under NSN 5305-00-480-8433. This indicates validated use in U.S. government and defense supply chains.

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