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303397 — CONE ASSY,TURBINE E

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

303397: CONE ASSY,TURBINE E.

The CONE ASSY,TURBINE E is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.457 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.253 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN, screw_material: STEEL COMP 430, fastener_length: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-121-8112, 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
303397
NSN: 5305-00-121-8112
NIINs: 001218112, 005364119
FSC: 5305 — Screws
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.457 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.253 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
screw_materialSTEEL COMP 430
fastener_length0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch20
NSN5305-00-121-8112
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 303397 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.253 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 430
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.253 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 430
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
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 303397?
303397 is a CONE ASSY,TURBINE E.
What is the NSN for 303397?
303397 is cataloged in the U.S. Government catalog under NSN 5305-00-121-8112. This indicates validated use in U.S. government and defense supply chains.
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