257-001-003 — SCREW,TAPPING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

257-001-003: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1016 OVERALL, head_style: PAN NO. 2, head_height: 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, head_diameter: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN, fastener_length: 1.125 INCHES NOMINAL IN, special_features: FURNISHED W/1 BLACK NYLON BOOT WASHER.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-143-9842, 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

257-001-003

NSN: 5305-00-143-9842
FSC: 5305 — Screws
CAGE: 14002 — EQUIPTO ELECTRONICS CORP (USA)

SPECIFICATIONS

material	STEEL COMP 1016 OVERALL
head_style	PAN NO. 2
head_height	0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
head_diameter	0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
fastener_length	1.125 INCHES NOMINAL IN
special_features	FURNISHED W/1 BLACK NYLON BOOT WASHER
surface_treatment	NICKEL OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nonmachine_thread_style	DOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter	0.190 INCHES IN
NSN	5305-00-143-9842

COMPONENT DIAGRAM

KEY FEATURES

•

NONMACHINE NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD HEIGHT: 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.125 INCHES NOMINAL IN

•

NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)

•

HEAD STYLE: PAN NO. 2

•

SURFACE TREATMENT: NICKEL OVERALL

•

INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1

TECHNICAL CHARACTERISTICS

NONMACHINE NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD HEIGHT	0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
FASTENER LENGTH	1.125 INCHES NOMINAL IN
NONMACHINE THREAD STYLE	DOG TYPE (TYPE B OR C)
HEAD STYLE	PAN NO. 2
SPECIAL FEATURES	FURNISHED W/1 BLACK NYLON BOOT WASHER
SURFACE TREATMENT	NICKEL OVERALL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL COMP 1016 OVERALL
HEAD DIAMETER	0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 1

80-0101-05Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 257-001-003?

257-001-003 is a SCREW,TAPPING.

What parts can replace 257-001-003?

There is 1 known substitute for 257-001-003: 80-0101-05. Substitute compatibility should be verified for your specific system.

What is the NSN for 257-001-003?

257-001-003 is cataloged in the U.S. Government catalog under NSN 5305-00-143-9842. This indicates validated use in U.S. government and defense supply chains.

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