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303185 — 303185

✓ Government record, cited
EMSA · MRO · MRO_GENERAL
PRODUCT OVERVIEW

303185: 303185.

The 303185 is a EMSA industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.120 INCHES NOMINAL IN, point_style: FULL DOG, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-941-2211, 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
MRO→ MRO_GENERAL→ 303185
NSN: 5305-00-941-2211
NIINs: 009412211, 010168830
FSC: 5305 — Screws
CAGE: 28009 — SYPRIS ELECTRONICS, LLC DIV SYPRIS ELECTRONICS, LLC - COLORADO FIELD SERVICES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.120 INCHES NOMINAL IN
point_styleFULL DOG
thread_class2A A
head_diameter0.312 INCHES NOMINAL IN
keying_methodELECTRONIC
overall_width2.500 INCHES NOMINAL IN
thread_length0.520 INCHES MINIMUM IN
overall_length4.250 INCHES NOMINAL IN
fastener_length0.720 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5305-00-941-2211
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 303185 · EMSA ⚠ 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: 0.120 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.720 INCHES NOMINAL IN
•
THREAD LENGTH: 0.520 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FULL DOG
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.120 INCHES NOMINAL IN
FASTENER LENGTH0.720 INCHES NOMINAL IN
THREAD LENGTH0.520 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFULL DOG
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 303185?
303185 is a 303185 manufactured by EMSA. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 303185?
303185 is cataloged in the U.S. Government catalog under NSN 5305-00-941-2211. 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.