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T31161 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

T31161: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A NUT THREAD A, thread_length: 0.510 INCHES MINIMUM STUD THREAD IN, overall_length: 2.250 INCHES NOMINAL IN, shoulder_length: 0.190 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-197-3396, 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
T31161
NSN: 5307-01-197-3396
FSC: 5307 — Studs
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A NUT THREAD A
thread_length0.510 INCHES MINIMUM STUD THREAD IN
overall_length2.250 INCHES NOMINAL IN
shoulder_length0.190 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentZINC OR CADMIUM OVERALL
nominal_thread_size0.312 INCHES NUT THREAD IN
nut_end_shank_length0.630 INCHES NOMINAL IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-01-197-3396
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: T31161 · 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: 0.510 INCHES MINIMUM STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
•
SURFACE TREATMENT: ZINC OR CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.510 INCHES MINIMUM STUD THREAD IN
THREAD LENGTH0.870 INCHES MINIMUM NUT THREAD IN
OVERALL LENGTH2.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
SURFACE TREATMENTZINC OR CADMIUM OVERALL
NUT END SHANK LENGTH0.630 INCHES NOMINAL IN
THREAD CLASS2A STUD THREAD A
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T31161?
T31161 is a STUD,SHOULDERED.
What is the NSN for T31161?
T31161 is cataloged in the U.S. Government catalog under NSN 5307-01-197-3396. 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.