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C2851-6-5-5 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C2851-6-5-5: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, thread_length: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 0.923 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN, shoulder_length: 0.045 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN, style_designator: SHOULDERED, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-999-9682, 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
C2851-6-5-5
NSN: 5307-00-999-9682
FSC: 5307 — Studs
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)
SPECIFICATIONS
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
thread_length0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_length0.923 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
shoulder_length0.045 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
shoulder_diameter0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch32 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD
surface_treatment_document_and_classificationQQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5307-00-999-9682
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C2851-6-5-5 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: SHOULDERED
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
SHOULDER DIAMETER: 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORSHOULDERED
OVERALL LENGTH0.923 INCHES MINIMUM AND 0.975 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.190 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
SHOULDER DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH32 LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 C2851-6-5-5?
C2851-6-5-5 is a STUD,SHOULDERED.
What is the NSN for C2851-6-5-5?
C2851-6-5-5 is cataloged in the U.S. Government catalog under NSN 5307-00-999-9682. 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.