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AH4272 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AH4272: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.125 INCHES NOMINAL IN, thread_length: 0.162 INCHES MINIMUM IN, screw_material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316, fastener_length: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-207-6563, 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
AH4272
NSN: 5305-00-207-6563
FSC: 5305 — Screws
CAGE: 61349 — AMETEK, INC. DIV AEROSPACE & DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.125 INCHES NOMINAL IN
thread_length0.162 INCHES MINIMUM IN
screw_materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
fastener_length0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle45.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.086 INCHES IN
thread_quantity_per_inch64
thread_series_designatorUNF
NSN5305-00-207-6563
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AH4272 · 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
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.162 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.188 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES
THREAD LENGTH0.162 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE45.0 DEGREES NOMINAL
THREAD CLASS2A A
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
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AH4272?
AH4272 is a SCREW,MACHINE.
What is the NSN for AH4272?
AH4272 is cataloged in the U.S. Government catalog under NSN 5305-00-207-6563. This indicates validated use in U.S. government and defense supply chains.
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