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157056-024 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

157056-024: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 0.031 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.171 INCHES NOMINAL IN, thread_length: 0.188 INCHES MINIMUM IN, screw_material: COPPER ALLOY 360, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-038-3000, 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
157056-024
NSN: 5305-00-038-3000
FSC: 5305 — Screws
CAGE: 65092 — SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV (USA)
SPECIFICATIONS
head_height0.031 INCHES NOMINAL IN
thread_class3A A
head_diameter0.171 INCHES NOMINAL IN
thread_length0.188 INCHES MINIMUM IN
screw_materialCOPPER ALLOY 360
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.086 INCHES IN
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch56
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-038-3000
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 157056-024 · 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: 0.031 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.188 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY 360
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.031 INCHES NOMINAL IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4610 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.188 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY 360
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 2
17652Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D2A148Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157056-024?
157056-024 is a SCREW,MACHINE.
What parts can replace 157056-024?
There are 2 known substitutes for 157056-024: 17652, D2A148. Substitute compatibility should be verified for your specific system.
What is the NSN for 157056-024?
157056-024 is cataloged in the U.S. Government catalog under NSN 5305-00-038-3000. 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.