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176C2785-4 — STUD,RECESSED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

176C2785-4: STUD,RECESSED AND STEPPED.

The STUD,RECESSED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OR STEEL COMP 316L, thread_class: 2A NUT THREAD A, thread_length: 1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM STUD THREAD IN, overall_length: 2.869 INCHES MINIMUM AND 2.931 INCHES MAXIMUM IN, style_designator: RECESSED AND STEPPED, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-272-8575, 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
176C2785-4
NSN: 5307-01-272-8575
FSC: 5307 — Studs
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OR STEEL COMP 316L
thread_class2A NUT THREAD A
thread_length1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM STUD THREAD IN
overall_length2.869 INCHES MINIMUM AND 2.931 INCHES MAXIMUM IN
style_designatorRECESSED AND STEPPED
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
plain_shank_diameter0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_quantity_per_inch24 STUD THREAD
thread_series_designatorUNF STUD THREAD
length_of_recessed_portion_of_shank0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
NSN5307-01-272-8575
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 176C2785-4 · 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: 0.334 INCHES MINIMUM AND 0.342 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: RECESSED AND STEPPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER OF RECESSED PORTION OF SHANK: 0.144 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.334 INCHES MINIMUM AND 0.342 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH1.885 INCHES MINIMUM AND 1.915 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORRECESSED AND STEPPED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.869 INCHES MINIMUM AND 2.931 INCHES MAXIMUM IN
DIAMETER OF RECESSED PORTION OF SHANK0.144 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.190 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 176C2785-4?
176C2785-4 is a STUD,RECESSED AND STEPPED.
What is the NSN for 176C2785-4?
176C2785-4 is cataloged in the U.S. Government catalog under NSN 5307-01-272-8575. 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.