370518-2 — FLANGE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

370518-2: FLANGE.

The FLANGE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FILLISTER, head_height: 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-321-9138, 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

370518-2

NSN: 5305-00-321-9138
NIINs: 003219138, 011921928
FSC: 5305 — Screws
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FILLISTER
head_height	0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length	0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
fastener_length	0.625 INCHES NOMINAL IN
internal_drive_style	SLOT
nominal_thread_diameter	0.164 INCHES IN
first_diameter_from_head	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_quantity_per_inch	32
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-00-321-9138

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.625 INCHES NOMINAL IN

•

THREAD LENGTH: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

FIRST DIAMETER FROM HEAD: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: FILLISTER

•

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.275 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
FASTENER LENGTH	0.625 INCHES NOMINAL IN
THREAD LENGTH	0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 INCHES IN
HEAD STYLE	FILLISTER
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.275 INCHES NOMINAL IN
INTERNAL DRIVE STYLE	SLOT
THREAD CLASS	2A A

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 370518-2?

370518-2 is a FLANGE.

What is the NSN for 370518-2?

370518-2 is cataloged in the U.S. Government catalog under NSN 5305-00-321-9138. This indicates validated use in U.S. government and defense supply chains.

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370518-2 — FLANGE

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