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AH3859 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AH3859: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.218 INCHES MAXIMUM IN, screw_material: STEEL COMP 416, fastener_length: 0.218 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-217-1971, 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
AH3859
NSN: 5305-00-217-1971
FSC: 5305 — Screws
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
thread_class2A A
thread_length0.218 INCHES MAXIMUM IN
screw_materialSTEEL COMP 416
fastener_length0.218 INCHES NOMINAL IN
special_featuresSHARP POINTED CONE CENTERED ON TOP OF HEAD 3/64 IN. DIA. AT BASE OF CONE AND 3/64 IN. HG. OF CONE,RELIEF UNDER HEAD 0.068 PLUS 0.000 MIN. 0.003 IN. DIA. AND 0.020 PROM 0.003 IN. LG IN
thread_directionRIGHT-HAND
width_between_flats0.125 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.086 INCHES IN
thread_quantity_per_inch64
NSN5305-00-217-1971
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AH3859 · 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: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.218 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.218 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.125 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
FASTENER LENGTH0.218 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.218 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.125 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 416
SPECIAL FEATURESSHARP POINTED CONE CENTERED ON TOP OF HEAD 3/64 IN. DIA. AT BASE OF CONE AND 3/64 IN. HG. OF CONE,RELIEF UNDER HEAD 0.068 PLUS 0.000 MIN. 0.003 IN. DIA. AND 0.020 PROM 0.003 IN. LG IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AH3859?
AH3859 is a SCREW,MACHINE.
What is the NSN for AH3859?
AH3859 is cataloged in the U.S. Government catalog under NSN 5305-00-217-1971. This indicates validated use in U.S. government and defense supply chains.
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