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BHCS4-40X1.0SS — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BHCS4-40X1.0SS: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 18.8 OVERALL, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 0.063 INCHES NOMINAL IN, internal_drive_style: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-603-6445, 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
BHCS4-40X1.0SS
NSN: 5305-01-603-6445
FSC: 5305 — Screws
CAGE: 1KE74 — FASTENAL COMPANY DIV FLPAN (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 18.8 OVERALL
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.063 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
NSN5305-01-603-6445
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BHCS4-40X1.0SS · 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
•
WIDTH ACROSS FLATS: 0.063 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 40
•
MATERIAL: STEEL PROPERTY CLASS 18.8 OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.063 INCHES NOMINAL IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
THREAD QUANTITY PER INCH40
MATERIALSTEEL PROPERTY CLASS 18.8 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
73707Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BHCS4-40X1.0SS?
BHCS4-40X1.0SS is a SCREW,CAP,SOCKET HEAD.
What parts can replace BHCS4-40X1.0SS?
There is 1 known substitute for BHCS4-40X1.0SS: 73707. Substitute compatibility should be verified for your specific system.
What is the NSN for BHCS4-40X1.0SS?
BHCS4-40X1.0SS is cataloged in the U.S. Government catalog under NSN 5305-01-603-6445. 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.