120978-3-8R — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

120978-3-8R: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.140 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-522-0343, 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

120978-3-8R

NSN: 5306-01-522-0343
FSC: 5306 — Bolts
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	0.500 INCHES NOMINAL IN
head_height	0.140 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN
thread_length	0.323 INCHES NOMINAL IN
fastener_length	0.823 INCHES NOMINAL IN
special_features	THREADS .0156 OVERSIZE, RESTRICTED TO REPAIR WORK ONLY
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
head_minor_diameter	0.359 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
NSN	5306-01-522-0343

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.823 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.323 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: SPLINE DRIVE SHEAR HEAD

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.140 INCHES NOMINAL IN
FASTENER LENGTH	0.823 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.323 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.500 INCHES NOMINAL IN
HEAD MINOR DIAMETER	0.359 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 1

C7521-3-8RReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 120978-3-8R?

120978-3-8R is a BOLT,CLOSE TOLERANCE.

What parts can replace 120978-3-8R?

There is 1 known substitute for 120978-3-8R: C7521-3-8R. Substitute compatibility should be verified for your specific system.

What is the NSN for 120978-3-8R?

120978-3-8R is cataloged in the U.S. Government catalog under NSN 5306-01-522-0343. This indicates validated use in U.S. government and defense supply chains.

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120978-3-8R — BOLT,CLOSE TOLERANCE

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