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PartsTable / COMPONENT / QG331821
QG331821 ✓ 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

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include material: COPPER ALLOY, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, head_style: HEXAGON EXTENDED WASHER, shell_type: SOLID, head_height: 0.139 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN, thread_size: 2-12. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-709-6108, 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
QG331821
NSN: 4320-00-709-6108
FSC: 4320
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
head_styleHEXAGON EXTENDED WASHER
shell_typeSOLID
head_height0.139 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
thread_size2-12
thread_class2A A
overall_width0.688 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_length0.750 INCHES NOMINAL IN
overall_height0.688 INCHES NOMINAL IN
overall_length1.031 INCHES NOMINAL IN
NSN4320-00-709-6108
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL ASSEMBLY,SHAFT,SPRING LOADE TITLE COMPONENT PN QG331821 MFR SEAL ASSEMBLY,SHAFT,SP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
905183-00Interchangeable
interchangeable cross-reference
interchangeable
56-001-7Interchangeable
interchangeable cross-reference
interchangeable
CFA031-50Interchangeable
interchangeable cross-reference
interchangeable
53017Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
17103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QG331821?
QG331821 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace QG331821?
There are 18 known substitutes for QG331821: 905183-00, 56-001-7, CFA031-50 and 15 more. Substitute compatibility should be verified for your specific system.
Is QG331821 still available?
QG331821 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026