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Technical Data Sheet
PartsTable / MRO / 520021-2
520021-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

The 520021-2 is a the manufacturer industrial component. Key specifications include material: STEEL, design_type: FLANGE, overall_width: 4.000 INCHES NOMINAL IN, overall_length: 26.000 INCHES NOMINAL IN, flange_thickness: 1.000 INCHES NOMINAL IN, end_item_identification: TYPE C MARK 13 MOD 2 STEAM CATAPULT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-060-7050, 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→ 520021-2
NSN: 7025-01-060-7050
FSC: 7025
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialSTEEL
design_typeFLANGE
overall_width4.000 INCHES NOMINAL IN
overall_length26.000 INCHES NOMINAL IN
flange_thickness1.000 INCHES NOMINAL IN
end_item_identificationTYPE C MARK 13 MOD 2 STEAM CATAPULT
NSN7025-01-060-7050
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN 520021-2 MFR OEM 520021-2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MS35649-282Interchangeable
interchangeable cross-reference
interchangeable
2580-00D3Interchangeable
interchangeable cross-reference
interchangeable
20501-7Interchangeable
interchangeable cross-reference
interchangeable
P-H-31Interchangeable
interchangeable cross-reference
interchangeable
35013Interchangeable
interchangeable cross-reference
interchangeable
HAND CLEANERInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520021-2?
520021-2 is a 520021-2. It is classified as a MRO (MRO_GENERAL).
What parts can replace 520021-2?
There are 14 known substitutes for 520021-2: MS35649-282, 2580-00D3, 20501-7 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 520021-2?
520021-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-060-7050. 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