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PartsTable / COMPONENT / GG-T-621
GG-T-621 ✓ 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 GG-T-621 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6675-00-049-8034, 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
GG-T-621
NSN: 6675-00-049-8034
FSC: 6675
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberGG-T-621
NSN6675-00-049-8034
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GG-T-621 TITLE COMPONENT PN GG-T-621 MFR GG-T-621
KEY FEATURES
•
HORIZONTAL CIRCLE VERNIER GRADUATION UNIT: 1.0 MINUTES
•
ILLUMINATED FEATURE: NOT INCLUDED
•
HORIZONTAL CIRCLE MINIMUM GRADUATION UNIT: 30.0 MINUTES
•
TRIPOD: INCLUDED
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NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B CLASS
•
ACCESSORY COMPONENTS AND QUANTITY: BOOKLET INSTRUCTION 1,BRUSH LENS 1,CAP OBJECTIVE 1,COVER WATERPROOF 1,EYEPIECE PRISM DARK 1,GLASS MAGNIFYING3.500 DIA 1,LUBRICANT 1/4 OZ TUBE 1,PINS ADJUSTING 2,PLUMB BOB 16 OZ W/CORD AND ADJUSTOR 1,REFLECTOR CROSS HAIR 1,SCREWDRIVER 1,VIAL LEVEL PLATE 2,VIAL LEVEL TELESCOPE 1,WRENCHES - AS REQUIRED FOR FIELD STRIPPING OZ
•
TELESCOPE TYPE: ERECTING
•
HORIZONTAL CIRCLE DIAMETER: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HORIZONTAL CIRCLE VERNIER GRADUATION UNIT1.0 MINUTES
ILLUMINATED FEATURENOT INCLUDED
HORIZONTAL CIRCLE MINIMUM GRADUATION UNIT30.0 MINUTES
TRIPODINCLUDED
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B CLASS
ACCESSORY COMPONENTS AND QUANTITYBOOKLET INSTRUCTION 1,BRUSH LENS 1,CAP OBJECTIVE 1,COVER WATERPROOF 1,EYEPIECE PRISM DARK 1,GLASS MAGNIFYING3.500 DIA 1,LUBRICANT 1/4 OZ TUBE 1,PINS ADJUSTING 2,PLUMB BOB 16 OZ W/CORD AND ADJUSTOR 1,REFLECTOR CROSS HAIR 1,SCREWDRIVER 1,VIAL LEVEL PLATE 2,VIAL LEVEL TELESCOPE 1,WRENCHES - AS REQUIRED FOR FIELD STRIPPING OZ
TELESCOPE TYPEERECTING
HORIZONTAL CIRCLE DIAMETER5.500 INCHES NOMINAL IN
VERTICAL CIRCLEINCLUDED
TELESCOPE LENGTH10.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MT1309GMInterchangeable
interchangeable cross-reference
interchangeable
78-0030Interchangeable
interchangeable cross-reference
interchangeable
GGT621Interchangeable
interchangeable cross-reference
interchangeable
182Interchangeable
interchangeable cross-reference
interchangeable
6024CFSInterchangeable
interchangeable cross-reference
interchangeable
M0DELN030Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GG-T-621?
GG-T-621 is a GG-T-621.
What parts can replace GG-T-621?
There are 6 known substitutes for GG-T-621: MT1309GM, 78-0030, GGT621 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GG-T-621?
GG-T-621 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6675-00-049-8034. 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