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5401400 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5401400: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fastener_length: 0.375 INCHES NOMINAL IN, internal_drive_style: HEXAGON, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 20, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5305-01-438-3450, 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
5401400
NSN: 5305-01-438-3450
FSC: 5305 — Screws
CAGE: 15852 — W S DARLEY & CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fastener_length0.375 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationASTM A167, 18-8SS ASSN STD 1ST MATERIAL RESPONSE OR ASTM A240, 18-8SS ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN5305-01-438-3450
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5401400 · 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: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A167, 18-8SS ASSN STD 1ST MATERIAL RESPONSE OR ASTM A240, 18-8SS ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A167, 18-8SS ASSN STD 1ST MATERIAL RESPONSE OR ASTM A240, 18-8SS ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
INTERNAL DRIVE STYLEHEXAGON
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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 2
Z10100820033Reference document
Same NSN cross-reference
Reference document — Secondary reference
B229 REF NO 55Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5401400?
5401400 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 5401400?
There are 2 known substitutes for 5401400: Z10100820033, B229 REF NO 55. Substitute compatibility should be verified for your specific system.
What is the NSN for 5401400?
5401400 is cataloged in the U.S. Government catalog under NSN 5305-01-438-3450. This indicates validated use in U.S. government and defense supply chains.
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