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Technical Data Sheet
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186273 — Technical Data Sheet

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Hama · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

This glass screen protector provides high-end protection for your Samsung Galaxy S20+ by covering the complete front of the smartphone. It is distinguished by an extremely high degree of hardness i.e. a hammer, knife or pair of scissors are practically unable to harm it.

Brilliant! This part is cataloged in the Federal Logistics Information System under NSN 5305-01-122-0254, 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
186273
NSN: 5305-01-122-0254
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
thread_length0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
fastener_length4.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationG-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5305-01-122-0254
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 186273 · Hama ⚠ 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
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
MATERIAL: STEEL OVERALL
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: G-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.312 INCHES IN
MATERIALSTEEL OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONG-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH18
FASTENER LENGTH4.250 INCHES NOMINAL IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
B1104InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MODEL300SMInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B1102InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
217909InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10067InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10AA25WMInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 186273?
186273 is a SCREW,CAP,HEXAGON HEAD manufactured by Hama.
What parts can replace 186273?
There are 21 known substitutes for 186273: B1104, MODEL300SM, B1102 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 186273?
186273 is cataloged in the Federal Logistics Information System under NSN 5305-01-122-0254. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: October 2026