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N9857 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

N9857: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_class: 2A NUT THREAD B A, thread_length: 1.20 INCHES NOMINAL NUT THREAD B IN, overall_length: 2.00 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND NUT THREAD B, nominal_thread_size: 0.500 INCHES NUT THREAD A IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-708-2124, 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
N9857
NSN: 5307-01-708-2124
FSC: 5307 — Studs
CAGE: 76761 — C E NIEHOFF & CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_class2A NUT THREAD B A
thread_length1.20 INCHES NOMINAL NUT THREAD B IN
overall_length2.00 INCHES MAXIMUM IN
thread_directionRIGHT-HAND NUT THREAD B
nominal_thread_size0.500 INCHES NUT THREAD A IN
end_item_identification6115-016819654
thread_quantity_per_inch13 NUT THREAD A
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD A
part_name_assigned_by_controlling_agencyTHREADED STUD
NSN5307-01-708-2124
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N9857 · 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: 0.80 INCHES NOMINAL NUT THREAD A IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD A
•
NOMINAL THREAD SIZE: 0.375 INCHES NUT THREAD B IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.80 INCHES NOMINAL NUT THREAD A IN
THREAD LENGTH1.20 INCHES NOMINAL NUT THREAD B IN
OVERALL LENGTH2.00 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
THREAD DIRECTIONRIGHT-HAND NUT THREAD B
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD B IN
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD A IN
PART NAME ASSIGNED BY CONTROLLING AGENCYTHREADED STUD
THREAD CLASS2A NUT THREAD A A
THREAD CLASS2A NUT THREAD B A
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 N9857?
N9857 is a STUD,STEPPED.
What is the NSN for N9857?
N9857 is cataloged in the U.S. Government catalog under NSN 5307-01-708-2124. 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.