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326749 — RING,OUTBOARD MOTOR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

326749: RING,OUTBOARD MOTOR.

The RING,OUTBOARD MOTOR is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.150 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.302 INCHES NOMINAL IN, thread_length: 0.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 601. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-550-9818, 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
326749
NSN: 5305-00-550-9818
NIINs: 005509818, 013037000
FSC: 5305 — Screws
CAGE: 02991 — THOMPSON AEROSPACE, LLC DBA THOMPSON AEROSPACE LLC (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.150 INCHES NOMINAL IN
thread_class3A A
head_diameter0.302 INCHES NOMINAL IN
thread_length0.375 INCHES MAXIMUM IN
screw_materialSTEEL COMP 601
fastener_length0.375 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentNICKEL AND CADMIUM
NSN5305-00-550-9818
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 326749 · 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: 0.150 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: NICKEL AND CADMIUM
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.375 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.150 INCHES NOMINAL IN
SCREW SURFACE TREATMENTNICKEL AND CADMIUM
FASTENER LENGTH0.375 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.375 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 601
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 326749?
326749 is a RING,OUTBOARD MOTOR.
What is the NSN for 326749?
326749 is cataloged in the U.S. Government catalog under NSN 5305-00-550-9818. 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.