752-6405261-29 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

752-6405261-29: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, head_style: FLAT CHAMFER, head_height: 0.375 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-444-4258, 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

752-6405261-29

NSN: 5305-01-444-4258
NIINs: 014444258, 014444898
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OVERALL
head_style	FLAT CHAMFER
head_height	0.375 INCHES NOMINAL IN
thread_class	2A A
head_diameter	0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length	0.875 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	2.625 INCHES NOMINAL IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length	0.875 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.383 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-444-4258

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.750 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.625 INCHES NOMINAL IN

•

SHOULDER LENGTH: 1.250 INCHES NOMINAL FIRST SHOULDER IN

•

SHOULDER DIAMETER: 0.758 INCHES MINIMUM AND 0.760 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 1.375 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
HEAD HEIGHT	0.750 INCHES NOMINAL IN
FASTENER LENGTH	2.625 INCHES NOMINAL IN
SHOULDER LENGTH	1.250 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER	0.758 INCHES MINIMUM AND 0.760 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	1.375 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES IN
HEAD STYLE	FLAT CHAMFER

SUBSTITUTES & CROSS-REFERENCES 1

752-6405261-53Reference 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 752-6405261-29?

752-6405261-29 is a SCREW,SHOULDER.

What parts can replace 752-6405261-29?

There is 1 known substitute for 752-6405261-29: 752-6405261-53. Substitute compatibility should be verified for your specific system.

What is the NSN for 752-6405261-29?

752-6405261-29 is cataloged in the U.S. Government catalog under NSN 5305-01-444-4258. This indicates validated use in U.S. government and defense supply chains.

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752-6405261-29 — SCREW,SHOULDER

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