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SF5902D502-9 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SF5902D502-9: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718, thread_class: 3A NUT THREAD A, thread_length: 0.454 INCHES MINIMUM AND 0.484 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.913 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES SHANK, hardness_rating: 39.0 ROCKWELL C NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-137-7140, 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
SF5902D502-9
NSN: 5307-01-137-7140
FSC: 5307 — Studs
CAGE: 83324 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718
thread_class3A NUT THREAD A
thread_length0.454 INCHES MINIMUM AND 0.484 INCHES MAXIMUM NUT THREAD IN
overall_length0.913 INCHES MINIMUM AND 0.983 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES SHANK
hardness_rating39.0 ROCKWELL C NOMINAL
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
serration_quantity13
nominal_thread_size0.190 INCHES NUT THREAD IN
thread_pitch_diameters+0.2869 TO 0.2884 INCHES STUD THREAD IN
NSN5307-01-137-7140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SF5902D502-9 · 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 FINISH: 32.0 MICROINCHES NUT THD
•
DISTANCE FROM SERRATED PORTION TO NUT END: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.223 INCHES MINIMUM AND 0.293 INCHES MAXIMUM STUD THREAD IN
•
HARDNESS RATING: 39.0 ROCKWELL C NOMINAL
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD PITCH DIAMETERS: +0.2869 TO 0.2884 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES NUT THD
SURFACE FINISH63.0 MICROINCHES SHANK
DISTANCE FROM SERRATED PORTION TO NUT END0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
THREAD LENGTH0.223 INCHES MINIMUM AND 0.293 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH0.454 INCHES MINIMUM AND 0.484 INCHES MAXIMUM NUT THREAD IN
HARDNESS RATING39.0 ROCKWELL C NOMINAL
STYLE DESIGNATORLOCKED IN
THREAD PITCH DIAMETERS+0.2869 TO 0.2884 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.913 INCHES MINIMUM AND 0.983 INCHES MAXIMUM 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 2
10116414Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS51992D502-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SF5902D502-9?
SF5902D502-9 is a STUD,LOCKED IN.
What parts can replace SF5902D502-9?
There are 2 known substitutes for SF5902D502-9: 10116414, MS51992D502-9. Substitute compatibility should be verified for your specific system.
What is the NSN for SF5902D502-9?
SF5902D502-9 is cataloged in the U.S. Government catalog under NSN 5307-01-137-7140. 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.