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GGR391TYPE1CLASSB — Technical Data Sheet

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FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC · 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

RING,LABORATORY APPARATUS SUPPOR. Key specifications include CLAMP: PROVIDED, MATERIAL: IRON CAST, CONSTRUCTION: CLOSED, INSIDE DIAMETER: 6.125 INCHES NOMINAL IN, NONDEFINITIVE SPEC/STD DATA: I TYPE AND B CLASS, CENTER TO CENTER DISTANCE FROM RING TO SUPPORT ROD: 4.500 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 6640-00-290-6699, 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
GGR391TYPE1CLASSB
NSN: 6640-00-290-6699
FSC: 6640
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
CLAMPPROVIDED
MATERIALIRON CAST
CONSTRUCTIONCLOSED
INSIDE DIAMETER6.125 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAI TYPE AND B CLASS
CENTER TO CENTER DISTANCE FROM RING TO SUPPORT ROD4.500 INCHES NOMINAL IN
NSN6640-00-290-6699
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC RING,LABORATORY APPARATUS SUPPOR TITLE COMPONENT PN GGR391TYPE1CLASSB MFR FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC RING,LABORATORY APPARA
KEY FEATURES
•
CENTER TO CENTER DISTANCE FROM RING TO SUPPORT ROD: 4.500 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: I TYPE AND B CLASS
•
CLAMP: PROVIDED
•
MATERIAL: IRON CAST
•
CONSTRUCTION: CLOSED
•
INSIDE DIAMETER: 6.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE FROM RING TO SUPPORT ROD4.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAI TYPE AND B CLASS
CLAMPPROVIDED
MATERIALIRON CAST
CONSTRUCTIONCLOSED
INSIDE DIAMETER6.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
14-050Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GGR391TYPE1CLASSB?
GGR391TYPE1CLASSB is a RING,LABORATORY APPARATUS SUPPOR manufactured by FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC.
What parts can replace GGR391TYPE1CLASSB?
There is 1 known substitute for GGR391TYPE1CLASSB: 14-050. Substitute compatibility should be verified for your specific system.
What is the NSN for GGR391TYPE1CLASSB?
GGR391TYPE1CLASSB is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-00-290-6699. 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: September 2026