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PartsTable / COMPONENT / 731 ITEM 4
731 ITEM 4 ✓ 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 RETAINER,LENS is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL A519. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4410-01-197-7179, 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
731 ITEM 4
NSN: 4410-01-197-7179
FSC: 4410
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL A519
NSN4410-01-197-7179
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,LENS TITLE COMPONENT PN 731 ITEM 4 MFR RETAINER,LENS
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL A519
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL A519
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
75FInterchangeable
interchangeable cross-reference
interchangeable
21706Interchangeable
interchangeable cross-reference
interchangeable
52583Interchangeable
interchangeable cross-reference
interchangeable
31044Interchangeable
interchangeable cross-reference
interchangeable
3314381REVBPC15-75FInterchangeable
interchangeable cross-reference
interchangeable
3931PCLN1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 731 ITEM 4?
731 ITEM 4 is a RETAINER,LENS.
What parts can replace 731 ITEM 4?
There are 10 known substitutes for 731 ITEM 4: 75F, 21706, 52583 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 731 ITEM 4?
731 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4410-01-197-7179. 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