NAS229-31 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NAS229-31: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, screw_material: STEEL COMP 8630 OR STEEL COMP 4037. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-920-0590, 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

NAS229-31

NSN: 5305-00-920-0590
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

head_style	PAN
head_height	0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length	0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
screw_material	STEEL COMP 8630 OR STEEL COMP 4037
fastener_length	1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.190 INCHES IN
screw_surface_treatment	CADMIUM AND CHROMATE
NSN	5305-00-920-0590

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE

•

FASTENER LENGTH: 1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE

•

THREAD LENGTH: 0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: PAN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
FASTENER LENGTH	1.954 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6300 ASSN STD 2ND MATERIAL RESPONSE
THREAD LENGTH	0.377 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	PAN
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 8630 OR STEEL COMP 4037

SUBSTITUTES & CROSS-REFERENCES 3

5305PL0742241Reference document

Same NSN cross-reference

Reference document — Informative reference only

MS27039-1-31Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AN525-10-32Reference document

Same NSN cross-reference

Reference document — Secondary 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 NAS229-31?

NAS229-31 is a SCREW,MACHINE.

What parts can replace NAS229-31?

There are 3 known substitutes for NAS229-31: 5305PL0742241, MS27039-1-31, AN525-10-32. Substitute compatibility should be verified for your specific system.

What is the NSN for NAS229-31?

NAS229-31 is cataloged in the U.S. Government catalog under NSN 5305-00-920-0590. This indicates validated use in U.S. government and defense supply chains.

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