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457-6227 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

457-6227: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.552 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, thread_length: 0.350 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-487-3898, 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
457-6227
NSN: 5305-00-487-3898
FSC: 5305 — Screws
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.552 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
thread_length0.350 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.292 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
shoulder_length0.832 INCHES MINIMUM AND 0.842 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-00-487-3898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 457-6227 · 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: 0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.292 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.832 INCHES MINIMUM AND 0.842 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.350 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
FASTENER LENGTH1.292 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
SHOULDER LENGTH0.832 INCHES MINIMUM AND 0.842 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.350 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 457-6227?
457-6227 is a SCREW,SHOULDER.
What is the NSN for 457-6227?
457-6227 is cataloged in the U.S. Government catalog under NSN 5305-00-487-3898. 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.