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QR308 — HOLDER,SCREWDRIVER BIT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

QR308: HOLDER,SCREWDRIVER BIT.

The HOLDER,SCREWDRIVER BIT is a the manufacturer industrial component. Key specifications include material: STEEL, socket_shape: HEXAGON, overall_length: 1.625 INCHES NOMINAL IN, drive_end_shape: FEMALE SQUARE, special_features: QUICK RELEASING CHUCK TYPE, drive_nominal_size: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-028-8538, 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
QR308
NSN: 5120-01-028-8538
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 03705 — APEX TOOL GROUP, LLC (USA)
SPECIFICATIONS
materialSTEEL
socket_shapeHEXAGON
overall_length1.625 INCHES NOMINAL IN
drive_end_shapeFEMALE SQUARE
special_featuresQUICK RELEASING CHUCK TYPE
drive_nominal_size0.375 INCHES IN
socket_distance_across_flats0.250 INCHES NOMINAL IN
NSN5120-01-028-8538
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,SCREWDRIVER BIT TITLE COMPONENT PN QR308 MFR HOLDER,SCREWDRIVER BIT
KEY FEATURES
•
SOCKET DISTANCE ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
DRIVE END SHAPE: FEMALE SQUARE
•
SOCKET SHAPE: HEXAGON
•
DRIVE NOMINAL SIZE: 0.375 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SOCKET DISTANCE ACROSS FLATS0.250 INCHES NOMINAL IN
OVERALL LENGTH1.625 INCHES NOMINAL IN
DRIVE END SHAPEFEMALE SQUARE
SOCKET SHAPEHEXAGON
DRIVE NOMINAL SIZE0.375 INCHES IN
SPECIAL FEATURESQUICK RELEASING CHUCK TYPE
MATERIALSTEEL
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 QR308?
QR308 is a HOLDER,SCREWDRIVER BIT.
What is the NSN for QR308?
QR308 is cataloged in the U.S. Government catalog under NSN 5120-01-028-8538. 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.