PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 321RN
321RN ✓ 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 LENS,LIGHT is a the manufacturer industrial component. Key specifications include color: RED, IDENTIFICATION LENS, material: COPPER ALLOY HOLDER, thread_class: 2A A, thread_series: UNEF, overall_length: 0.719 INCHES NOMINAL IN, mounting_method: EXTERNAL THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-045-5500, 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
321RN
NSN: 6210-00-045-5500
FSC: 6210
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
colorRED, IDENTIFICATION LENS
materialCOPPER ALLOY HOLDER
thread_class2A A
thread_seriesUNEF
overall_length0.719 INCHES NOMINAL IN
mounting_methodEXTERNAL THREAD
thread_diameter0.312 INCHES IN
thread_quantity32 PER INCH
overall_diameter0.562 INCHES NOMINAL IN
style_designatorFLAT
thread_directionRIGHT-HAND
features_providedROTATABLE ALIGNMENT CAPABILITY
NSN6210-00-045-5500
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,LIGHT TITLE COMPONENT PN 321RN MFR LENS,LIGHT
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY: 32 PER INCH
•
STYLE DESIGNATOR: FLAT
•
THREAD DIAMETER: 0.312 INCHES IN
•
MOUNTING DEVICE QUANTITY: 1
•
SURFACE CONDITION: SMOOTH BACK
•
THREAD CLASS: 2A A
•
HOLDER SURFACE TREATMENT: NICKEL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY32 PER INCH
STYLE DESIGNATORFLAT
THREAD DIAMETER0.312 INCHES IN
MOUNTING DEVICE QUANTITY1
SURFACE CONDITIONSMOOTH BACK
THREAD CLASS2A A
HOLDER SURFACE TREATMENTNICKEL
OVERALL DIAMETER0.562 INCHES NOMINAL IN
COLORRED, IDENTIFICATION LENS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
RM22BRTInterchangeable
interchangeable cross-reference
interchangeable
134-0351-928Interchangeable
interchangeable cross-reference
interchangeable
6P35TLInterchangeable
interchangeable cross-reference
interchangeable
VBE869-11RNInterchangeable
Same NIIN cross-reference
interchangeable
6P35Interchangeable
Same NIIN cross-reference
interchangeable
MIL-L-3661/11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 321RN?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 321RN?
321RN is a LENS,LIGHT.
What parts can replace 321RN?
There are 11 known substitutes for 321RN: RM22BRT, 134-0351-928, 6P35TL and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 321RN?
321RN is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-045-5500. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 321RN

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026