PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

457258Adapter and Valve a

Brooks Automation, Inc. Div Cti Cryogenics · NSN 5865-00-171-1796 · FSC 5865 · No Item Name Available
Verified by PartsTable
NSN 5865-00-171-1796 — this item is cataloged by the U.S. Government under National Stock Number 5865-00-171-1796. Primary manufacturer part number: 457258.
Features
  • Adapter and Valve a — FSC 5865
  • 2 verified cross-references
  • Primary manufacturer: Brooks Automation, Inc. Div Cti Cryogenics
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Adapter and Valve a, cataloged under National Stock Number 5865-00-171-1796, is classified within Federal Supply Class 5865 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Brooks Automation, Inc. Div Cti Cryogenics. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter and Valve a
FSC / FSG5865 — No Item Name Available (FSG 58)
ManufacturersBrooks Automation, Inc. Div Cti Cryogenics (CAGE 31949)
Technical Specifications
ParameterValue
NSN5865-00-171-1796
Primary Part Number457258
Item NameAdapter and Valve a
FSC / FSG5865 / 58 — No Item Name Available
ManufacturerBrooks Automation, Inc. Div Cti Cryogenics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-606-9574HM804810 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
2915-01-160-9236457258 INTERCHANGEABLE
Sleeve Half,reinforcing
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
457258 Brooks Automation, Inc. Div Cti Cryogenics (USA)
458027 Brooks Automation, Inc. Div Cti Cryogenics (USA)
Related Parts
3110-00-606-9574INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
HM804810
2915-01-160-9236INTERCHANGEABLE
SLEEVE HALF,REINFORCING
457258

Frequently Asked Questions

What is NSN 5865-00-171-1796?

NSN 5865-00-171-1796 is a Adapter and Valve a, manufactured by Brooks Automation, Inc. Div Cti Cryogenics, classified under FSC 5865 (No Item Name Available). Status: active.

What are the part numbers for NSN 5865-00-171-1796?

NSN 5865-00-171-1796 has 2 cross-referenced part numbers: 457258 (Brooks Automation, Inc. Div Cti Cryogenics), 458027 (Brooks Automation, Inc. Div Cti Cryogenics).

What NSN replaces 5865-00-171-1796?

There are 2 known substitutes for 5865-00-171-1796: 3110-00-606-9574, 2915-01-160-9236. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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