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401883H — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

401883H: 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: 0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.750 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM, special_features: STUD END THREAD 0.003 IN. OVERSIZE IN.

This part is cataloged in the U.S. Government catalog under NSN 5307-00-272-6359, 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
401883H
NSN: 5307-00-272-6359
FSC: 5307 — Studs
CAGE: 28839 — TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 8640
thread_class3A NUT THREAD A
thread_length0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
overall_length2.750 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
special_featuresSTUD END THREAD 0.003 IN. OVERSIZE IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
thread_pitch_diameters+0.2854 TO 0.2869 INCHES STUD THREAD IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-272-6359
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401883H · 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: 0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
•
THREAD PITCH DIAMETERS: +0.2854 TO 0.2869 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.680 INCHES MINIMUM AND 0.800 INCHES MAXIMUM STUD THREAD IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
THREAD PITCH DIAMETERS+0.2854 TO 0.2869 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
SUBSTITUTES & CROSS-REFERENCES 2
7744654Reference document
Same NSN cross-reference
Reference document — Secondary reference
401883Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 401883H?
401883H is a STUD,PLAIN.
What parts can replace 401883H?
There are 2 known substitutes for 401883H: 7744654, 401883. Substitute compatibility should be verified for your specific system.
What is the NSN for 401883H?
401883H is cataloged in the U.S. Government catalog under NSN 5307-00-272-6359. 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.