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99-535-5388 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

99-535-5388: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 1.060 INCHES NOMINAL IN, general_characteristics_item_description: MATERIAL STEEL 4130 OR 4140, PER ASTM -A322 OR ASTM-A331 ; FINISH 5.3.2.2. OF MIL-STD-171; FLANGE DIAMETER 1.250.

This part is cataloged in the U.S. Government catalog under NSN 5307-01-157-8414, 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
99-535-5388
NSN: 5307-01-157-8414
NIINs: 011578414, 015355388
FSC: 5307 — Studs
CAGE: 99995 — NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
SPECIFICATIONS
materialSTEEL
overall_length1.060 INCHES NOMINAL IN
general_characteristics_item_descriptionMATERIAL STEEL 4130 OR 4140, PER ASTM -A322 OR ASTM-A331 ; FINISH 5.3.2.2. OF MIL-STD-171; FLANGE DIAMETER 1.250
NSN5307-01-157-8414
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 99-535-5388 · 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
•
SHANK DIAMETER: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.650 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: STEPPED
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
THREAD LENGTH0.650 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.565 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSTEPPED
OVERALL LENGTH1.530 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
THREAD CLASS3A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 99-535-5388?
99-535-5388 is a STUD,STEPPED.
What is the NSN for 99-535-5388?
99-535-5388 is cataloged in the U.S. Government catalog under NSN 5307-01-157-8414. 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.