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Technical Data Sheet
PartsTable / COMPONENT / TW-7B
TW-7B ✓ 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, blade_length: 1.000 INCHES NOMINAL IN, overall_length: 2.156 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL IN, style_designator: HEXAGON, features_provided: MANUAL TOOL AND REPLACEABLE BIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-654-3629, 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
TW-7B
NSN: 5120-00-654-3629
FSC: 5120
CAGE: 30106 — UTICA TOOL CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
blade_length1.000 INCHES NOMINAL IN
overall_length2.156 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL IN
style_designatorHEXAGON
features_providedMANUAL TOOL AND REPLACEABLE BIT
surface_treatmentCHROMIUM DRIVE SURFACE
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.219 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeHEXAGON SINGLE END EXTERNAL
NSN5120-00-654-3629
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREWDRIVER ATTACHMENT,SOCKET WR TITLE COMPONENT PN TW-7B MFR SCREWDRIVER ATTACHMENT
KEY FEATURES
•
SURFACE TREATMENT: OXIDE BIT
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN
•
BLADE LENGTH: 1.000 INCHES NOMINAL IN
•
FEATURES PROVIDED: MANUAL TOOL AND REPLACEABLE BIT
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTOXIDE BIT
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
BLADE LENGTH1.000 INCHES NOMINAL IN
FEATURES PROVIDEDMANUAL TOOL AND REPLACEABLE BIT
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
SURFACE TREATMENTCHROMIUM DRIVE SURFACE
STYLE DESIGNATORHEXAGON
MATERIALSTEEL OVERALL
WRENCHING SURFACE SHAPEHEXAGON SINGLE END EXTERNAL
OVERALL LENGTH2.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
310-13662-01Interchangeable
interchangeable cross-reference
interchangeable
984655-1Interchangeable
interchangeable cross-reference
interchangeable
860796Interchangeable
interchangeable cross-reference
interchangeable
41382Interchangeable
interchangeable cross-reference
interchangeable
80368Interchangeable
interchangeable cross-reference
interchangeable
X9379-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TW-7B?
TW-7B is a SCREWDRIVER ATTACHMENT,SOCKET WR.
What parts can replace TW-7B?
There are 13 known substitutes for TW-7B: 310-13662-01, 984655-1, 860796 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TW-7B?
TW-7B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-654-3629. 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