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7971983 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7971983: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 8640, thread_class: 3A NUT THREAD A, thread_length: 0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM STUD THREAD IN, overall_length: 2.290 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-207-8619, 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
7971983
NSN: 5307-00-207-8619
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 8640
thread_class3A NUT THREAD A
thread_length0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM STUD THREAD IN
overall_length2.290 INCHES MINIMUM AND 2.330 INCHES MAXIMUM IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
thread_pitch_diameters+0.2894 TO 0.2909 INCHES STUD THREAD IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5307-00-207-8619
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7971983 · 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,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.690 INCHES MINIMUM AND 0.780 INCHES MAXIMUM NUT THREAD IN
•
THREAD PITCH DIAMETERS: +0.2894 TO 0.2909 INCHES STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.690 INCHES MINIMUM AND 0.780 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM STUD THREAD IN
THREAD PITCH DIAMETERS+0.2894 TO 0.2909 INCHES STUD THREAD IN
OVERALL LENGTH2.290 INCHES MINIMUM AND 2.330 INCHES MAXIMUM 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 TREATMENTCADMIUM 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 2
401863DReference document
Same NSN cross-reference
Reference document — Secondary reference
5307002078619Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7971983?
7971983 is a STUD,PLAIN.
What parts can replace 7971983?
There are 2 known substitutes for 7971983: 401863D, 5307002078619. Substitute compatibility should be verified for your specific system.
What is the NSN for 7971983?
7971983 is cataloged in the U.S. Government catalog under NSN 5307-00-207-8619. 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.