Name: RETAINER AND BALLS,BEARING
Brand: Trefl
SKU: 500-21

500-21 ✓ Verified by PartsTable

Trefl · MRO · MRO_GENERAL

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

This extension cable allows you to extend a 9-pin COM port. The cable is male to female and can also be used with certain external devices (modems etc.) that have a 9-pin female connector. Key specifications include shape: IRREGULAR, material: STEEL CORROSION RESISTING, case_style: SQUARE, lens_color: RED, seal_width: 0.406 INCHES NOMINAL IN, bore_diameter: 0.6300 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 6625-00-306-0894, 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

MRO→ MRO_GENERAL→ 500-21

NSN: 6625-00-306-0894
FSC: 6625
CAGE: 50380 — RELIANCE ELECTRIC (USA)

SPECIFICATIONS

shape	IRREGULAR
material	STEEL CORROSION RESISTING
case_style	SQUARE
lens_color	RED
seal_width	0.406 INCHES NOMINAL IN
bore_diameter	0.6300 INCHES NOMINAL IN
overall_width	16.0 INCHES NOMINAL IN
overall_height	6.0 INCHES NOMINAL IN
overall_length	16.0 INCHES NOMINAL IN
document_source	1G5W1
mounting_method	THREADED HUB
outside_diameter	5.000 INCHES NOMINAL IN
NSN	6625-00-306-0894

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: TEST SET,ELECTRONIC EQUIPMENT

TECHNICAL CHARACTERISTICS (FLIS)

FSC APPLICATION DATA	TEST SET,ELECTRONIC EQUIPMENT
FSC APPLICATION DATA	TEST SET,ELECTRONIC EQUIPMENT

VERIFIED SUBSTITUTES & CROSS-REFERENCES 5

05-0021Interchangeable

interchangeable cross-reference

interchangeable

2005-0021Interchangeable

interchangeable cross-reference

interchangeable

AHFS DRUG INFOInterchangeable

interchangeable cross-reference

interchangeable

65915-4RInterchangeable

Same NIIN cross-reference

interchangeable

0-50021-RInterchangeable

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusACTIVE

AvailabilityOEM and secondary market

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 500-21?

500-21 is a RETAINER AND BALLS,BEARING manufactured by Trefl. It is classified as a MRO (MRO_GENERAL).

What parts can replace 500-21?

There are 5 known substitutes for 500-21: 05-0021, 2005-0021, AHFS DRUG INFO and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 500-21?

500-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-306-0894. This indicates validated use in U.S. government and defense supply chains.

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