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12390174 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12390174: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 2A STUD THREAD A, thread_length: 1.750 INCHES NOMINAL STUD THREAD IN, overall_length: 10.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: ZINC AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-444-0595, 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
12390174
NSN: 5307-01-444-0595
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
thread_class2A STUD THREAD A
thread_length1.750 INCHES NOMINAL STUD THREAD IN
overall_length10.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentZINC AND CHROMATE OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
thread_quantity_per_inch2A STUD THREAD A
thread_series_designatorUNF STUD THREAD
material_document_and_classificationASTMA576, COMP 1015 THRU 1025 ASSN STD SINGLE MATERIAL RESPONSE OR AASTM A108, COMP 1015 THRU 1025 ASSN STD ALL MATERIAL RESPONSES
surface_treatment_document_and_classificationASTM B633, TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5307-01-444-0595
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12390174 · 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: ASTM B633, TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 1.750 INCHES NOMINAL STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA576, COMP 1015 THRU 1025 ASSN STD SINGLE MATERIAL RESPONSE OR AASTM A108, COMP 1015 THRU 1025 ASSN STD ALL MATERIAL RESPONSES
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633, TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH1.750 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH1.750 INCHES NOMINAL NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA576, COMP 1015 THRU 1025 ASSN STD SINGLE MATERIAL RESPONSE OR AASTM A108, COMP 1015 THRU 1025 ASSN STD ALL MATERIAL RESPONSES
OVERALL LENGTH10.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.250 INCHES STUD THREAD IN
SURFACE TREATMENTZINC AND CHROMATE OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12390174?
12390174 is a STUD,PLAIN.
What is the NSN for 12390174?
12390174 is cataloged in the U.S. Government catalog under NSN 5307-01-444-0595. 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.