1027301-4-8 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1027301-4-8: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_length: 0.500 INCHES MINIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-1379, 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

1027301-4-8

NSN: 5305-00-151-1379
FSC: 5305 — Screws
CAGE: 88277 — THE BOEING COMPANY (USA)

SPECIFICATIONS

head_style	ROUND
head_height	0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_length	0.500 INCHES MINIMUM IN
screw_material	STEEL
fastener_length	0.500 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.112 INCHES IN
screw_surface_treatment	CADMIUM AND CHROMATE
minimum_tensile_strength	60000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-151-1379

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.500 INCHES MINIMUM IN

•

NOMINAL THREAD DIAMETER: 0.112 INCHES IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.500 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER	0.112 INCHES IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 1C STYLE AND 1 DESIGN
SCREW MATERIAL	STEEL

SUBSTITUTES & CROSS-REFERENCES 1

FFS92Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1027301-4-8?

1027301-4-8 is a SCREW,MACHINE.

What parts can replace 1027301-4-8?

There is 1 known substitute for 1027301-4-8: FFS92. Substitute compatibility should be verified for your specific system.

What is the NSN for 1027301-4-8?

1027301-4-8 is cataloged in the U.S. Government catalog under NSN 5305-00-151-1379. This indicates validated use in U.S. government and defense supply chains.

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