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128-5049 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

128-5049: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include overall_length: 6.0 INCHES NOMINAL IN, style_designator: STEPPED, nominal_thread_size: 20.0 MILLIMETERS NUT THREAD MM, thread_pitch_in_millimeters: 2.5 NUT THREAD, part_name_assigned_by_controlling_agency: GUIDE STUD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-708-4567, 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
128-5049
NSN: 5307-01-708-4567
FSC: 5307 — Studs
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
overall_length6.0 INCHES NOMINAL IN
style_designatorSTEPPED
nominal_thread_size20.0 MILLIMETERS NUT THREAD MM
thread_pitch_in_millimeters2.5 NUT THREAD
part_name_assigned_by_controlling_agencyGUIDE STUD
NSN5307-01-708-4567
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 128-5049 · 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 PITCH IN MILLIMETERS: 2.5 NUT THREAD
•
STYLE DESIGNATOR: STEPPED
•
NOMINAL THREAD SIZE: 20.0 MILLIMETERS NUT THREAD MM
TECHNICAL CHARACTERISTICS
THREAD PITCH IN MILLIMETERS2.5 NUT THREAD
STYLE DESIGNATORSTEPPED
OVERALL LENGTH6.0 INCHES NOMINAL IN
NOMINAL THREAD SIZE20.0 MILLIMETERS NUT THREAD MM
PART NAME ASSIGNED BY CONTROLLING AGENCYGUIDE STUD
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 128-5049?
128-5049 is a STUD,STEPPED.
What is the NSN for 128-5049?
128-5049 is cataloged in the U.S. Government catalog under NSN 5307-01-708-4567. 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.