1251628-1 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1251628-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.750 INCHES NOMINAL IN, hole_diameter: 0.062 INCHES NOMINAL IN, thread_length: 0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN, screw_material: STEEL COMP 1117. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-656-0419, 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

1251628-1

NSN: 5305-00-656-0419
FSC: 5305 — Screws
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.750 INCHES NOMINAL IN
hole_diameter	0.062 INCHES NOMINAL IN
hole_quantity	1
thread_length	0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN
screw_material	STEEL COMP 1117
fastener_length	1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
internal_drive_style	SLOT
nominal_thread_diameter	0.375 INCHES IN
NSN	5305-00-656-0419

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CADMIUM

•

FASTENER LENGTH: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: STEEL COMP 1117

•

INTERNAL DRIVE STYLE: SLOT

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CADMIUM
FASTENER LENGTH	1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
THREAD LENGTH	0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 1117
INTERNAL DRIVE STYLE	SLOT
COUNTERSINK ANGLE	29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
THREAD CLASS	3A A

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

9053809Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1251628-1?

1251628-1 is a SCREW,MACHINE.

What parts can replace 1251628-1?

There is 1 known substitute for 1251628-1: 9053809. Substitute compatibility should be verified for your specific system.

What is the NSN for 1251628-1?

1251628-1 is cataloged in the U.S. Government catalog under NSN 5305-00-656-0419. This indicates validated use in U.S. government and defense supply chains.

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1251628-1 — SCREW,MACHINE

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