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Technical Data Sheet
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157305-B21 — 157305-B21

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

157305-B21: 157305-B21.

The 157305-B21 is a the manufacturer industrial component. Key specifications include end_item_identification: 157305-B21, TL891DLX LIBRARY SYSTEM, 1DR, part_name_assigned_by_controlling_agency: (INAVY)TL891 DLX LIBRARY S. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-497-7201, 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→ 157305-B21
NSN: 7025-01-497-7201
NIINs: 014977201, 015449113
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 65685 — COMPAQ COMPUTER CORP. (USA)
SPECIFICATIONS
end_item_identification157305-B21, TL891DLX LIBRARY SYSTEM, 1DR
part_name_assigned_by_controlling_agency(INAVY)TL891 DLX LIBRARY S
NSN7025-01-497-7201
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 157305-B21 MFR OEM 157305-B21
KEY FEATURES
•
PHYSICAL TAPE FORMAT TYPE: CARTRIDGE
•
UNIT DESIGN: RACK MOUNTED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT6.790 INCHES NOMINAL IN
PHYSICAL TAPE FORMAT TYPECARTRIDGE
OVERALL WIDTH17.000 INCHES NOMINAL IN
UNIT DESIGNRACK MOUNTED
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 157305-B21?
157305-B21 is a 157305-B21. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 157305-B21?
157305-B21 is cataloged in the U.S. Government catalog under NSN 7025-01-497-7201. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.