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Technical Data Sheet
PartsTable / MRO / A301
A301 ✓ Verified by PartsTable
— · 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

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR AND RUBBER SYNTHETIC, duty_type: CONTINUOUS, body_style: CYLINDRICAL FRAME, body_length: 2.250 INCHES MAXIMUM IN, load_rating: 9.5 POUNDS MAXIMUM LBS, stud_length: 0.375 INCHES NOMINAL ALL THREADED STUD 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 5895-01-620-5406, 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→ A301
NSN: 5895-01-620-5406
FSC: 5895
CAGE: 0UU59 — ULTRALIFE CORP. (USA)
SPECIFICATIONS
materialRUBBER POLYISOPRENE NATURAL CLASS NR AND RUBBER SYNTHETIC
duty_typeCONTINUOUS
body_styleCYLINDRICAL FRAME
body_length2.250 INCHES MAXIMUM IN
load_rating9.5 POUNDS MAXIMUM LBS
stud_length0.375 INCHES NOMINAL ALL THREADED STUD IN
thread_size8-32NC ALL THREADED PORTIONS
thread_class2A SINGLE MOUNTING FACILITY A
body_diameter1.500 INCHES NOMINAL IN
blade_quantity3
current_rating600.0 MILLIAMPERES MAXIMUM
inclosure_typeFULLY INCLOSED
NSN5895-01-620-5406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN A301 MFR RETAINER,ELECTRON TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
415005REVAInterchangeable
interchangeable cross-reference
interchangeable
K7887356P1Interchangeable
interchangeable cross-reference
interchangeable
A301-2Interchangeable
interchangeable cross-reference
interchangeable
A301Interchangeable
interchangeable cross-reference
interchangeable
BP4237Interchangeable
interchangeable cross-reference
interchangeable
5YTHATW1TH3206-6AND3203-6TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A301?
A301 is a RETAINER,ELECTRON TUBE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A301?
There are 8 known substitutes for A301: 415005REVA, K7887356P1, A301-2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A301?
A301 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-620-5406. 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