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CV170278 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CV170278: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.109 INCHES NOMINAL IN, head_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.641 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-253-7879, 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
CV170278
NSN: 5306-00-253-7879
FSC: 5306 — Bolts
CAGE: KCQ24 — TVS SUPPLY CHAIN SOLUTIONS LIMITED (GBR)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.109 INCHES NOMINAL IN
head_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_class2A A
thread_length0.641 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
end_item_identificationLOGISTICS SUPPORT VESSEL (LSV)
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-253-7879
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CV170278 · 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
•
EXTENDED WASHER THICKNESS: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.641 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH0.641 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
1T-0416Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CV170278?
CV170278 is a BOLT,MACHINE.
What parts can replace CV170278?
There is 1 known substitute for CV170278: 1T-0416. Substitute compatibility should be verified for your specific system.
What is the NSN for CV170278?
CV170278 is cataloged in the U.S. Government catalog under NSN 5306-00-253-7879. 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.