PartsTable
Technical Data Sheet
Download PDF

A28-0042 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A28-0042: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 2A A, fastener_length: 1.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: COOLING ASSEMBLY ISB-225 W/HIGH EFF. RAD.

SIDE MOUNT W, nominal_thread_diameter: 0.375 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the U.S. Government catalog under NSN 5306-01-499-1015, 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
A28-0042
NSN: 5306-01-499-1015
FSC: 5306 — Bolts
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
thread_class2A A
fastener_length1.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationCOOLING ASSEMBLY ISB-225 W/HIGH EFF. RAD. SIDE MOUNT W
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-499-1015
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A28-0042 · 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: 1.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
END ITEM IDENTIFICATIONCOOLING ASSEMBLY ISB-225 W/HIGH EFF. RAD. SIDE MOUNT W
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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
028-0042Same 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
Ready to buy A28-0042?
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 A28-0042?
A28-0042 is a BOLT,MACHINE.
What parts can replace A28-0042?
There is 1 known substitute for A28-0042: 028-0042. Substitute compatibility should be verified for your specific system.
What is the NSN for A28-0042?
A28-0042 is cataloged in the U.S. Government catalog under NSN 5306-01-499-1015. 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 — A28-0042

✓ 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.