PartsTable
Technical Data Sheet

608-R1/4-20X3/4 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

608-R1/4-20X3/4: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE CHAMFER, thread_length: 0.75 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: NSN 5895016886818, nominal_thread_diameter: 0.25 INCHES IN, thread_quantity_per_inch: 20. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-697-0302, 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
608-R1/4-20X3/4
NSN: 5305-01-697-0302
FSC: 5305 — Screws
CAGE: 1JN02 — MOUSER ELECTRONICS, INC DBA MOUSER ELECTRONICS (USA)
SPECIFICATIONS
head_styleDOUBLE CHAMFER
thread_length0.75 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationNSN 5895016886818
nominal_thread_diameter0.25 INCHES IN
thread_quantity_per_inch20
part_name_assigned_by_controlling_agencySCREW PANHEAD PHILLIPS
NSN5305-01-697-0302
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 608-R1/4-20X3/4 · 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
•
THREAD LENGTH: 0.75 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.25 INCHES IN
•
HEAD STYLE: DOUBLE CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.75 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.25 INCHES IN
HEAD STYLEDOUBLE CHAMFER
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW PANHEAD PHILLIPS
END ITEM IDENTIFICATIONNSN 5895016886818
THREAD QUANTITY PER INCH20
SUBSTITUTES & CROSS-REFERENCES 1
103388Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 608-R1/4-20X3/4?
608-R1/4-20X3/4 is a SCREW,MACHINE.
What parts can replace 608-R1/4-20X3/4?
There is 1 known substitute for 608-R1/4-20X3/4: 103388. Substitute compatibility should be verified for your specific system.
What is the NSN for 608-R1/4-20X3/4?
608-R1/4-20X3/4 is cataloged in the U.S. Government catalog under NSN 5305-01-697-0302. 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.