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1FV77 ✓ 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

The BIT,SCREWDRIVER is a the manufacturer industrial component. Key specifications include tip_type: TORX, overall_length: 1.000 INCHES NOMINAL IN, drive_shank_type: HEXAGON, features_provided: MANUAL TOOL AND TAMPER RESISTANT, tip_size_designation: T27, shank_width_across_wrench_flats: 0.250 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 5120-01-428-4790, 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
1FV77
NSN: 5120-01-428-4790
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
tip_typeTORX
overall_length1.000 INCHES NOMINAL IN
drive_shank_typeHEXAGON
features_providedMANUAL TOOL AND TAMPER RESISTANT
tip_size_designationT27
shank_width_across_wrench_flats0.250 INCHES NOMINAL IN
NSN5120-01-428-4790
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BIT,SCREWDRIVER TITLE COMPONENT PN 1FV77 MFR BIT,SCREWDRIVER
KEY FEATURES
•
FEATURES PROVIDED: MANUAL TOOL AND TAMPER RESISTANT
•
TIP SIZE DESIGNATION: T27
•
TIP TYPE: TORX
•
SHANK WIDTH ACROSS WRENCH FLATS: 0.250 INCHES NOMINAL IN
•
DRIVE SHANK TYPE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDMANUAL TOOL AND TAMPER RESISTANT
TIP SIZE DESIGNATIONT27
TIP TYPETORX
OVERALL LENGTH1.000 INCHES NOMINAL IN
SHANK WIDTH ACROSS WRENCH FLATS0.250 INCHES NOMINAL IN
DRIVE SHANK TYPEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1854-0291Interchangeable
interchangeable cross-reference
interchangeable
60538Interchangeable
interchangeable cross-reference
interchangeable
1288-245Interchangeable
interchangeable cross-reference
interchangeable
26290Interchangeable
interchangeable cross-reference
interchangeable
AL26290Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1FV77?
1FV77 is a BIT,SCREWDRIVER.
What parts can replace 1FV77?
There are 6 known substitutes for 1FV77: 1854-0291, 60538, 1288-245 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1FV77?
1FV77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-428-4790. 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