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PartsTable / COMPONENT / 850237
850237 ✓ Verified by PartsTable
bluechip · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a bluechip industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.138 INCHES NOMINAL IN, thread_length: 0.150 INCHES MINIMUM IN, screw_material: STEEL COMP 303, fastener_length: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-864-6642, 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
850237
NSN: 5305-00-864-6642
FSC: 5305
CAGE: 05257 — GENERAL DYNAMICS LAND SYSTEMS - CANADACORPORATION DIV GENERAL DYNAMICS MISSION SYSTEMS (CAN)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.138 INCHES NOMINAL IN
thread_length0.150 INCHES MINIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.073 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch64
NSN5305-00-864-6642
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 850237 · bluechip ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.150 INCHES MINIMUM IN
•
SCREW MATERIAL: STEEL COMP 303
•
HEAD DIAMETER: 0.138 INCHES NOMINAL IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
SCREW SURFACE TREATMENT: PASSIVATE
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.150 INCHES MINIMUM IN
SCREW MATERIALSTEEL COMP 303
HEAD DIAMETER0.138 INCHES NOMINAL IN
HEAD STYLEFLAT COUNTERSUNK
SCREW SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
AMS5075-2.000X0.049Interchangeable
interchangeable cross-reference
interchangeable
2204-9Interchangeable
interchangeable cross-reference
interchangeable
AMS5075Interchangeable
interchangeable cross-reference
interchangeable
91256252Interchangeable
interchangeable cross-reference
interchangeable
99020468Interchangeable
interchangeable cross-reference
interchangeable
P3H011383-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 850237?
850237 is a SCREW,MACHINE manufactured by bluechip.
What parts can replace 850237?
There are 6 known substitutes for 850237: AMS5075-2.000X0.049, 2204-9, AMS5075 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 850237?
850237 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-864-6642. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026