PartsTable
Technical Data Sheet
Download PDF

6104-B-0440 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6104-B-0440: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, head_style: FLAT CHAMFER, head_height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, thread_length: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-004-9478, 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
6104-B-0440
NSN: 5305-01-004-9478
FSC: 5305 — Screws
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
head_styleFLAT CHAMFER
head_height0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
thread_length0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
first_diameter_from_head0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
NSN5305-01-004-9478
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6104-B-0440 · 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: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CL 1 GRADE F FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CL 1 GRADE F FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
6104-B-0440-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 6104-B-0440?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 6104-B-0440?
6104-B-0440 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 6104-B-0440?
There is 1 known substitute for 6104-B-0440: 6104-B-0440-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 6104-B-0440?
6104-B-0440 is cataloged in the U.S. Government catalog under NSN 5305-01-004-9478. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 6104-B-0440

✓ 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.