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125642A — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

125642A: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include thread_class: 3A STUD THREAD A, overall_length: 0.860 INCHES NOMINAL IN, locking_feature: RING, LOCK KEYED, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.190 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-173-2140, 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
125642A
NSN: 5307-01-173-2140
FSC: 5307 — Studs
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
thread_class3A STUD THREAD A
overall_length0.860 INCHES NOMINAL IN
locking_featureRING, LOCK KEYED
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.190 INCHES NUT THREAD IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNF STUD THREAD
NSN5307-01-173-2140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 125642A · 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
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES STUD THREAD IN
•
LOCKING FEATURE: RING, LOCK KEYED
•
THREAD CLASS: 3A NUT THREAD A
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORLOCKED IN
OVERALL LENGTH0.860 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD IN
LOCKING FEATURERING, LOCK KEYED
THREAD CLASS3A NUT THREAD A
THREAD CLASS3A STUD THREAD A
THREAD QUANTITY PER INCH28 STUD THREAD
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 125642A?
125642A is a STUD,LOCKED IN.
What is the NSN for 125642A?
125642A is cataloged in the U.S. Government catalog under NSN 5307-01-173-2140. 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.