US3204-4-8 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

US3204-4-8: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, head_height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-357-1771, 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

US3204-4-8

NSN: 5306-00-357-1771
FSC: 5306 — Bolts
CAGE: C4293 — FAIRCHILD FASTENERS EUROPE - VSD GMBH (DEU)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	DOUBLE HEXAGON
grip_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
head_height	0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length	0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
fastener_length	0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
width_between_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	28
NSN	5306-00-357-1771

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: DOUBLE HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

WIDTH BETWEEN FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN
FASTENER LENGTH	0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN
THREAD LENGTH	0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	DOUBLE HEXAGON
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
GRIP DIAMETER	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
THREAD CLASS	3A A

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459

SUBSTITUTES & CROSS-REFERENCES 3

MB61-4-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M453-4-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

109453-4-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is US3204-4-8?

US3204-4-8 is a BOLT,CLOSE TOLERANCE.

What parts can replace US3204-4-8?

There are 3 known substitutes for US3204-4-8: MB61-4-8, ST3M453-4-8, 109453-4-8. Substitute compatibility should be verified for your specific system.

What is the NSN for US3204-4-8?

US3204-4-8 is cataloged in the U.S. Government catalog under NSN 5306-00-357-1771. This indicates validated use in U.S. government and defense supply chains.

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