1164AS157 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1164AS157: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-110-7904, 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

1164AS157

NSN: 5305-01-110-7904
FSC: 5305 — Screws
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
head_style	FLAT CHAMFER
head_height	0.125 INCHES NOMINAL IN
thread_class	2A A
head_diameter	0.250 INCHES NOMINAL IN
thread_length	0.156 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.344 INCHES NOMINAL IN
shoulder_length	0.188 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-110-7904

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.125 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.344 INCHES NOMINAL IN

•

SHOULDER LENGTH: 0.188 INCHES NOMINAL FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.156 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.125 INCHES NOMINAL IN
FASTENER LENGTH	0.344 INCHES NOMINAL IN
SHOULDER LENGTH	0.188 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.156 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES IN
HEAD STYLE	FLAT CHAMFER

SUBSTITUTES & CROSS-REFERENCES 2

317641-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

347641Reference document

Same NSN cross-reference

Reference document — Secondary 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 1164AS157?

1164AS157 is a SCREW,SHOULDER.

What parts can replace 1164AS157?

There are 2 known substitutes for 1164AS157: 317641-1, 347641. Substitute compatibility should be verified for your specific system.

What is the NSN for 1164AS157?

1164AS157 is cataloged in the U.S. Government catalog under NSN 5305-01-110-7904. This indicates validated use in U.S. government and defense supply chains.

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1164AS157 — SCREW,SHOULDER

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