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6863074 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6863074: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: PAN NO. 2, head_height: 0.150 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.270 INCHES NOMINAL IN, thread_length: 0.225 INCHES MINIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-855-2014, 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
6863074
NSN: 5305-00-855-2014
FSC: 5305 — Screws
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_stylePAN NO. 2
head_height0.150 INCHES NOMINAL IN
thread_class3A A
head_diameter0.270 INCHES NOMINAL IN
thread_length0.225 INCHES MINIMUM IN
fastener_length0.375 INCHES NOMINAL IN
hardness_rating29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
first_diameter_from_head0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NSN5305-00-855-2014
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6863074 · 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: 0.150 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.225 INCHES MINIMUM IN
•
HARDNESS RATING: 29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
FIRST DIAMETER FROM HEAD: 0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN NO. 2
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.150 INCHES NOMINAL IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.225 INCHES MINIMUM IN
HARDNESS RATING29.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
FIRST DIAMETER FROM HEAD0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
INTERNAL DRIVE STYLESLOT
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
BLT1894Same 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 6863074?
6863074 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 6863074?
There is 1 known substitute for 6863074: BLT1894. Substitute compatibility should be verified for your specific system.
What is the NSN for 6863074?
6863074 is cataloged in the U.S. Government catalog under NSN 5305-00-855-2014. 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.