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ST5H025-28 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST5H025-28: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-021-6842, 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
ST5H025-28
NSN: 5305-01-021-6842
FSC: 5305 — Screws
CAGE: 22915 — NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.250 INCHES NOMINAL IN
thread_length0.100 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.225 INCHES NOMINAL IN
shoulder_length0.125 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-01-021-6842
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST5H025-28 · 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
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.225 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.125 INCHES NOMINAL FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.100 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.225 INCHES NOMINAL IN
SHOULDER LENGTH0.125 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.121 INCHES MINIMUM AND 0.124 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.100 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT CHAMFER
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 ST5H025-28?
ST5H025-28 is a SCREW,SHOULDER.
What is the NSN for ST5H025-28?
ST5H025-28 is cataloged in the U.S. Government catalog under NSN 5305-01-021-6842. This indicates validated use in U.S. government and defense supply chains.
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