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CA2630-0476 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA2630-0476: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include grip_length: 4.750 INCHES MINIMUM AND 4.766 INCHES MAXIMUM IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL, special_features: RETAINING ELEMENT IN SHANK, width_between_flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN, shank_unthreaded_hole_diameter: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-9819, 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
CA2630-0476
NSN: 5305-00-151-9819
FSC: 5305 — Screws
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
grip_length4.750 INCHES MINIMUM AND 4.766 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
special_featuresRETAINING ELEMENT IN SHANK
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
shank_unthreaded_hole_diameter0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
distance_from_head_largest_bearing_surface_to_shank_hole_center5.083 INCHES MINIMUM AND 5.099 INCHES MAXIMUM FIRST HOLE IN
NSN5305-00-151-9819
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA2630-0476 · 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
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
•
GRIP LENGTH: 4.750 INCHES MINIMUM AND 4.766 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 5.083 INCHES MINIMUM AND 5.099 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
GRIP LENGTH4.750 INCHES MINIMUM AND 4.766 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
SPECIAL FEATURESRETAINING ELEMENT IN SHANK
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER5.083 INCHES MINIMUM AND 5.099 INCHES MAXIMUM FIRST HOLE IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 3
GB511AE4-76Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
AS108-04-76Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VP1119-4-76Same 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 CA2630-0476?
CA2630-0476 is a SCREW,CLOSE TOLERANCE.
What parts can replace CA2630-0476?
There are 3 known substitutes for CA2630-0476: GB511AE4-76, AS108-04-76, VP1119-4-76. Substitute compatibility should be verified for your specific system.
What is the NSN for CA2630-0476?
CA2630-0476 is cataloged in the U.S. Government catalog under NSN 5305-00-151-9819. 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.