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MBH303SS — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MBH303SS: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BINDING, head_height: 0.047 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.197 INCHES NOMINAL IN, thread_length: 0.188 INCHES MAXIMUM IN, screw_material: STEEL COMP 303. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-582-9866, 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
MBH303SS
NSN: 5305-00-582-9866
FSC: 5305 — Screws
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.047 INCHES NOMINAL IN
thread_class2A A
head_diameter0.197 INCHES NOMINAL IN
thread_length0.188 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.099 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch48
NSN5305-00-582-9866
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MBH303SS · OEM ⚠ 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
•
HEAD HEIGHT: 0.047 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.188 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: BINDING
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.047 INCHES NOMINAL IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.188 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.188 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEBINDING
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 303
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 2
45-127-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
226-303SSReference document
Same NSN cross-reference
Reference document — Secondary reference
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 MBH303SS?
MBH303SS is a SCREW,MACHINE.
What parts can replace MBH303SS?
There are 2 known substitutes for MBH303SS: 45-127-14, 226-303SS. Substitute compatibility should be verified for your specific system.
What is the NSN for MBH303SS?
MBH303SS is cataloged in the U.S. Government catalog under NSN 5305-00-582-9866. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.