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SUM-17 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SUM-17: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A NUT THREAD A, thread_length: 0.375 INCHES NOMINAL STUD THREAD IN, overall_length: 1.637 INCHES MINIMUM AND 1.707 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, locking_feature: RING, LOCK SERRATED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-176-8430, 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
SUM-17
NSN: 5307-01-176-8430
NIINs: 011768430, 011768431, 011768433
FSC: 5307 — Studs
CAGE: 83324 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A NUT THREAD A
thread_length0.375 INCHES NOMINAL STUD THREAD IN
overall_length1.637 INCHES MINIMUM AND 1.707 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD
material_document_and_classificationAMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-01-176-8430
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SUM-17 · 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: 125.0 MICROINCHES OVERALL
•
THREAD LENGTH: 0.469 INCHES NOMINAL STUD THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
THREAD LENGTH0.469 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.719 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5734 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.787 INCHES MINIMUM AND 1.857 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.3125 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.3125 INCHES NUT THREAD IN
SUBSTITUTES & CROSS-REFERENCES 1
9117M42P09Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SUM-17?
SUM-17 is a STUD,LOCKED IN.
What parts can replace SUM-17?
There is 1 known substitute for SUM-17: 9117M42P09. Substitute compatibility should be verified for your specific system.
What is the NSN for SUM-17?
SUM-17 is cataloged in the U.S. Government catalog under NSN 5307-01-176-8430. This indicates validated use in U.S. government and defense supply chains.
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