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401873H — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

401873H: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640, thread_class: 3A NUT THREAD A, thread_length: 0.750 INCHES NOMINAL STUD THREAD IN, overall_length: 3.880 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-774-4795, 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
401873H
NSN: 5307-00-774-4795
FSC: 5307 — Studs
CAGE: 28839 — TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 8640
thread_class3A NUT THREAD A
thread_length0.750 INCHES NOMINAL STUD THREAD IN
overall_length3.880 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_pitch_diameters+0.3435 TO 0.3451 INCHES STUD THREAD IN
thread_quantity_per_inch24 NUT THREAD
thread_series_designatorUNF NUT THREAD
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-774-4795
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401873H · 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: 0.620 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.3435 TO 0.3451 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.620 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.750 INCHES NOMINAL STUD THREAD IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.3435 TO 0.3451 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH3.880 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
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 1
5307007744795Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 401873H?
401873H is a STUD,PLAIN.
What parts can replace 401873H?
There is 1 known substitute for 401873H: 5307007744795. Substitute compatibility should be verified for your specific system.
What is the NSN for 401873H?
401873H is cataloged in the U.S. Government catalog under NSN 5307-00-774-4795. This indicates validated use in U.S. government and defense supply chains.
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