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ST5H014-4D8 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST5H014-4D8: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include head_length: 0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.187 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN, thread_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN, locking_feature: HEAD DISTORTIONS, style_designator: SELF-LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-021-1561, 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
ST5H014-4D8
NSN: 5307-01-021-1561
FSC: 5307 — Studs
CAGE: 22915 — NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV (USA)
SPECIFICATIONS
head_length0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
thread_class2A NUT THREAD A
head_diameter0.187 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
thread_length0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN
locking_featureHEAD DISTORTIONS
style_designatorSELF-LOCKING
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.138 INCHES NUT THREAD IN
distance_across_flats0.250 INCHES NOMINAL IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5307-01-021-1561
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST5H014-4D8 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
•
LOCKING FEATURE: HEAD DISTORTIONS
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
HEAD LENGTH0.172 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
LOCKING FEATUREHEAD DISTORTIONS
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH32 NUT THREAD
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST5H014-4D8?
ST5H014-4D8 is a STUD,SELF-LOCKING.
What is the NSN for ST5H014-4D8?
ST5H014-4D8 is cataloged in the U.S. Government catalog under NSN 5307-01-021-1561. This indicates validated use in U.S. government and defense supply chains.
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