3M957-7-5-9 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3M957-7-5-9: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.644 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN, thread_length: 0.537 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-142-8378, 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

3M957-7-5-9

NSN: 5305-01-142-8378
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.644 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
thread_length	0.537 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
shoulder_length	0.201 INCHES MINIMUM AND 0.221 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-142-8378

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.201 INCHES MINIMUM AND 0.221 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.537 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.438 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.859 INCHES MINIMUM AND 0.889 INCHES MAXIMUM IN
SHOULDER LENGTH	0.201 INCHES MINIMUM AND 0.221 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.537 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.438 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 1

HT4041-7-5-9YReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 3M957-7-5-9?

3M957-7-5-9 is a SCREW,SHOULDER.

What parts can replace 3M957-7-5-9?

There is 1 known substitute for 3M957-7-5-9: HT4041-7-5-9Y. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M957-7-5-9?

3M957-7-5-9 is cataloged in the U.S. Government catalog under NSN 5305-01-142-8378. This indicates validated use in U.S. government and defense supply chains.

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