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13901-3 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

13901-3: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A STUD THREAD A, thread_length: 0.250 INCHES NOMINAL NUT THREAD IN, overall_length: 0.453 INCHES NOMINAL IN, shoulder_length: 0.047 INCHES NOMINAL IN, special_features: SLOT IN STUD END. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-934-9978, 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
13901-3
NSN: 5307-00-934-9978
NIINs: 009349978, 012676284
FSC: 5307 — Studs
CAGE: 74063 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2A STUD THREAD A
thread_length0.250 INCHES NOMINAL NUT THREAD IN
overall_length0.453 INCHES NOMINAL IN
shoulder_length0.047 INCHES NOMINAL IN
special_featuresSLOT IN STUD END
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.312 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES STUD THREAD IN
thread_quantity_per_inch32 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-00-934-9978
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 13901-3 · 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
•
THREAD LENGTH: 0.250 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 18-8,FSCM 74063 MFR REF SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.250 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.156 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATION18-8,FSCM 74063 MFR REF SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.453 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.138 INCHES STUD THREAD IN
SHOULDER DIAMETER0.312 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13901-3?
13901-3 is a STUD,SHOULDERED.
What is the NSN for 13901-3?
13901-3 is cataloged in the U.S. Government catalog under NSN 5307-00-934-9978. 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.