PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 7-7-B-M
7-7-B-M ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, length: 2.000 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: TUNGSTEN CARBIDE, mounting_shank: INCLUDED, overall_diameter: 0.438 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 3455-01-103-0247, 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
7-7-B-M
NSN: 3455-01-103-0247
FSC: 3455
CAGE: 42970 — LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV (USA)
SPECIFICATIONS
shapeSTRAIGHT
length2.000 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialTUNGSTEN CARBIDE
mounting_shankINCLUDED
overall_diameter0.438 INCHES NOMINAL IN
special_featuresRIGHT HAND SPRIRAL FLUTING
style_designatorBALL SHAPE
features_providedCHIPBREAKER
removability_featureNOT INCLUDED
shank_overall_length2.438 INCHES NOMINAL IN
cutter_tooth_cut_styleMEDIUM
NSN3455-01-103-0247
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 7-7-B-M MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
•
MATERIAL: TUNGSTEN CARBIDE
•
LENGTH: 2.000 INCHES NOMINAL IN
•
SHANK OVERALL LENGTH: 2.438 INCHES NOMINAL IN
•
CUTTER TOOTH SHAPING METHOD: GROUND FROM SOLID
•
FEATURES PROVIDED: CHIPBREAKER
•
MOUNTING SHANK: INCLUDED
•
REMOVABILITY FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALTUNGSTEN CARBIDE
LENGTH2.000 INCHES NOMINAL IN
SHANK OVERALL LENGTH2.438 INCHES NOMINAL IN
CUTTER TOOTH SHAPING METHODGROUND FROM SOLID
FEATURES PROVIDEDCHIPBREAKER
MOUNTING SHANKINCLUDED
REMOVABILITY FEATURENOT INCLUDED
SPECIAL FEATURESRIGHT HAND SPRIRAL FLUTING
CUTTER TOOTH STYLE DESIGNATORC1
CUTTER TOOTH CUT STYLEMEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
D13-1Interchangeable
interchangeable cross-reference
interchangeable
13-1Interchangeable
interchangeable cross-reference
interchangeable
CD4Interchangeable
interchangeable cross-reference
interchangeable
4SC4Interchangeable
interchangeable cross-reference
interchangeable
BS1124PC112Interchangeable
interchangeable cross-reference
interchangeable
BS1126PC112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-7-B-M?
7-7-B-M is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 7-7-B-M?
There are 18 known substitutes for 7-7-B-M: D13-1, 13-1, CD4 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-7-B-M?
7-7-B-M is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-103-0247. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026