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4451-2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

SCREWDRIVER ATTACHMENT,SOCKET WR. Key specifications include material: STEEL OVERALL, tip_width: 0.750 INCHES NOMINAL IN, body_style: PANEL MOUNT, body_width: 0.750 INCHES NOMINAL IN, body_height: 1.885 INCHES MAXIMUM IN, body_length: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6630-00-399-2975, 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
4451-2
NSN: 6630-00-399-2975
FSC: 6630
CAGE: 36346 — UNION CARBIDE CORP SUB OF DOW CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
tip_width0.750 INCHES NOMINAL IN
body_stylePANEL MOUNT
body_width0.750 INCHES NOMINAL IN
body_height1.885 INCHES MAXIMUM IN
body_length0.750 INCHES NOMINAL IN
hole_diameter1.020 INCHES MINIMUM AND 1.100 INCHES MAXIMUM IN
overall_height0.480 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
outside_diameter1.280 INCHES NOMINAL IN
special_featuresDRAG LINK TYPE; ONE PIECE CONSTRUCTION
style_designatorFLAT (SLOTTED)
NSN6630-00-399-2975
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREWDRIVER ATTACHMENT,SOCKET WR TITLE COMPONENT PN 4451-2 MFR SCREWDRIVER ATTACHMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1000GInterchangeable
interchangeable cross-reference
interchangeable
00GInterchangeable
interchangeable cross-reference
interchangeable
20GInterchangeable
interchangeable cross-reference
interchangeable
GGG-S-745Interchangeable
interchangeable cross-reference
interchangeable
56Interchangeable
interchangeable cross-reference
interchangeable
66AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4451-2?
4451-2 is a SCREWDRIVER ATTACHMENT,SOCKET WR.
What parts can replace 4451-2?
There are 17 known substitutes for 4451-2: 1000G, 00G, 20G and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4451-2?
4451-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6630-00-399-2975. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026