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663010 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

663010: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 2.5578 INCHES MINIMUM AND 2.5582 INCHES MAXIMUM IN, overall_length: 5.500 INCHES NOMINAL IN, undercut_width: 0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN, first_end_style: CHAMFERED, effective_length: 4.875 INCHES NOMINAL IN, style_designator: GROOVE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-204-4054, 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
663010
NSN: 5325-01-204-4054
NIINs: 012044054, 013522813
FSC: 5325 — Fastening Devices
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
diameter2.5578 INCHES MINIMUM AND 2.5582 INCHES MAXIMUM IN
overall_length5.500 INCHES NOMINAL IN
undercut_width0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
first_end_styleCHAMFERED
effective_length4.875 INCHES NOMINAL IN
style_designatorGROOVE
undercut_diameter2.414 INCHES MINIMUM AND 2.424 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_undercut_width0.086 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5325-01-204-4054
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 663010 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 663010?
663010 is a PIN,GROOVED,HEADLESS.
What is the NSN for 663010?
663010 is cataloged in the U.S. Government catalog under NSN 5325-01-204-4054. 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.