BB422-8-8 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BB422-8-8: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.287 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN, thread_length: 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 0.806 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-004-4982, 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

BB422-8-8

NSN: 5305-01-004-4982
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.287 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
thread_length	0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
screw_material	IRON ALLOY 660
fastener_length	0.806 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.164 INCHES IN
thread_quantity_per_inch	32
thread_series_designator	UNJC
NSN	5305-01-004-4982

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.806 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: IRON ALLOY 660

•

INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1

•

COUNTERSINK ANGLE: 100.0 DEGREES NOMINAL

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.806 INCHES MINIMUM AND 0.826 INCHES MAXIMUM IN
THREAD LENGTH	0.306 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	IRON ALLOY 660
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
THREAD CLASS	3A A
THREAD QUANTITY PER INCH	32

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

GC530E8-8Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 BB422-8-8?

BB422-8-8 is a SCREW,MACHINE.

What parts can replace BB422-8-8?

There is 1 known substitute for BB422-8-8: GC530E8-8. Substitute compatibility should be verified for your specific system.

What is the NSN for BB422-8-8?

BB422-8-8 is cataloged in the U.S. Government catalog under NSN 5305-01-004-4982. This indicates validated use in U.S. government and defense supply chains.

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