LL57D40S3 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

LL57D40S3: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL, head_style: PAN NO. 2, head_height: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_length: 0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-080-9170, 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

LL57D40S3

NSN: 5305-01-080-9170
FSC: 5305 — Screws
CAGE: 16941 — LONG-LOK LLC (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL
head_style	PAN NO. 2
head_height	0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_length	0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
fastener_length	0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
locking_feature	STRIP THREADS
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
internal_drive_style	SLOT
nominal_thread_diameter	0.112 INCHES IN
NSN	5305-01-080-9170

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND B FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND B FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.112 INCHES IN

•

HEAD STYLE: PAN NO. 2

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
FASTENER LENGTH	0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.106 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,COND B FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND B FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES IN
HEAD STYLE	PAN NO. 2
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	STRIP THREADS
SURFACE TREATMENT	PASSIVATE OVERALL

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

642AS7525-6Same 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 LL57D40S3?

LL57D40S3 is a SCREW,CAP,SOCKET HEAD.

What parts can replace LL57D40S3?

There is 1 known substitute for LL57D40S3: 642AS7525-6. Substitute compatibility should be verified for your specific system.

What is the NSN for LL57D40S3?

LL57D40S3 is cataloged in the U.S. Government catalog under NSN 5305-01-080-9170. This indicates validated use in U.S. government and defense supply chains.

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