7226371-21 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

7226371-21: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR ALUMINUM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-522-2652, 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

7226371-21

NSN: 5305-01-522-2652
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

head_style	PAN
head_height	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_material	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR ALUMINUM
fastener_length	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
special_features	ITEM IS MODIFIED FROM MS51957
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.164 INCHES IN
screw_surface_treatment	ALUMINUM
NSN	5305-01-522-2652

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: ALUMINUM

•

FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-7-763 FED SPEC ALL MATERIAL RESPONSES

•

THREAD LENGTH: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: PAN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	ALUMINUM
FASTENER LENGTH	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-7-763 FED SPEC ALL MATERIAL RESPONSES
THREAD LENGTH	0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	PAN
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 316L OR ALUMINUM
SPECIAL FEATURES	ITEM IS MODIFIED FROM MS51957

SUBSTITUTES & CROSS-REFERENCES 1

MS51957-43Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 7226371-21?

7226371-21 is a SCREW,MACHINE.

What parts can replace 7226371-21?

There is 1 known substitute for 7226371-21: MS51957-43. Substitute compatibility should be verified for your specific system.

What is the NSN for 7226371-21?

7226371-21 is cataloged in the U.S. Government catalog under NSN 5305-01-522-2652. This indicates validated use in U.S. government and defense supply chains.

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