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2AT452 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2AT452: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: WATERTIGHT, head_height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_length: 0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-159-1858, 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
2AT452
NSN: 5305-01-159-1858
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_styleWATERTIGHT
head_height0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_length0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.469 INCHES NOMINAL IN
special_featuresPLASTIC GASKET ON BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
end_item_identificationFAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
NSN5305-01-159-1858
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2AT452 · 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: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.469 INCHES NOMINAL IN
•
THREAD LENGTH: 0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: WATERTIGHT
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.469 INCHES NOMINAL IN
THREAD LENGTH0.409 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEWATERTIGHT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESPLASTIC GASKET ON BEARING SURFACE OF HEAD
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
A5195Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2AT452?
2AT452 is a SCREW,MACHINE.
What parts can replace 2AT452?
There is 1 known substitute for 2AT452: A5195. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AT452?
2AT452 is cataloged in the U.S. Government catalog under NSN 5305-01-159-1858. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.