SLB278-9-20 — BOLT,SHEAR

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

SLB278-9-20: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 1.250 INCHES NOMINAL IN, head_height: 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-467-9403, 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

SLB278-9-20

NSN: 5306-01-467-9403
FSC: 5306 — Bolts
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	DOUBLE HEXAGON EXTENDED WASHER
grip_length	1.250 INCHES NOMINAL IN
head_height	0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM IN
thread_length	0.828 INCHES NOMINAL IN
fastener_length	0.828 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_between_flats	0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
nominal_thread_diameter	0.562 INCHES IN
NSN	5306-01-467-9403

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN

•

EXTERNAL THREAD TOLERANCE CLASS: 2A A

•

FASTENER LENGTH: 0.828 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPEII,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL

•

EXTENDED WASHER DIAMETER: 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN

•

THREAD PITCH IN MILLIMETERS: 13.3

•

THREAD LENGTH: 0.828 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HEAD HEIGHT	0.547 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
EXTERNAL THREAD TOLERANCE CLASS	2A A
FASTENER LENGTH	0.828 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPEII,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER	0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
THREAD PITCH IN MILLIMETERS	13.3
THREAD LENGTH	0.828 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5662 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.562 INCHES 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 3

HS5531-9-20Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

72991D9-20Reference document

Same NSN cross-reference

Reference document — Secondary reference

72991-9-20Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SLB278-9-20?

SLB278-9-20 is a BOLT,SHEAR.

What parts can replace SLB278-9-20?

There are 3 known substitutes for SLB278-9-20: HS5531-9-20, 72991D9-20, 72991-9-20. Substitute compatibility should be verified for your specific system.

What is the NSN for SLB278-9-20?

SLB278-9-20 is cataloged in the U.S. Government catalog under NSN 5306-01-467-9403. This indicates validated use in U.S. government and defense supply chains.

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