BACB30UU8-20 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30UU8-20: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON, grip_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, head_height: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-337-5960, 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

BACB30UU8-20

NSN: 5306-01-337-5960
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	DOUBLE HEXAGON
grip_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
head_height	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
thread_length	0.541 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	1.776 INCHES MINIMUM AND 1.806 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
NSN	5306-01-337-5960

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.776 INCHES MINIMUM AND 1.806 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.541 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
FASTENER LENGTH	1.776 INCHES MINIMUM AND 1.806 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.541 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	DOUBLE HEXAGON

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

No substitute or cross-reference records for this part.

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 BACB30UU8-20?

BACB30UU8-20 is a BOLT,CLOSE TOLERANCE.

What is the NSN for BACB30UU8-20?

BACB30UU8-20 is cataloged in the U.S. Government catalog under NSN 5306-01-337-5960. This indicates validated use in U.S. government and defense supply chains.

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