PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8859Spring,by-Pass,pump

Stewart Avionics Inc · NSN 5360-00-893-1264 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-893-1264 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-893-1264. Primary manufacturer part number: A8859.
Features
  • Spring,by-Pass,pump — FSC 5360
  • 1 verified cross-reference
  • Primary manufacturer: Stewart Avionics Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Mechanical energy storage
  • Vibration dampening
General Description

The Spring,by-Pass,pump, cataloged under National Stock Number 5360-00-893-1264, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stewart Avionics Inc. This item has 1 commercial cross-reference 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 NameSpring,by-Pass,pump
FSC / FSG5360 — No Item Name Available (FSG 53)
ManufacturersStewart Avionics Inc (CAGE 96787)
Technical Specifications
ParameterValue
NSN5360-00-893-1264
Primary Part NumberA8859
Item NameSpring,by-Pass,pump
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-737-13691964 INTERCHANGEABLE
Transfer Transmission Assembly
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
1615-01-242-92522B1682 INTERCHANGEABLE
Breather
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
Cross-Reference Index
Part NumberManufacturer
A8859 PRIMARY Stewart Avionics Inc (USA)
Related Parts
2520-00-737-1369INTERCHANGEABLE
TRANSFER TRANSMISSION ASSEMBLY
1964
1615-01-242-9252INTERCHANGEABLE
BREATHER
2B1682

Frequently Asked Questions

What is NSN 5360-00-893-1264?

NSN 5360-00-893-1264 is a Spring,by-Pass,pump, manufactured by Stewart Avionics Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-893-1264?

NSN 5360-00-893-1264 has 1 cross-referenced part number: A8859 (Stewart Avionics Inc).

What NSN replaces 5360-00-893-1264?

There are 2 known substitutes for 5360-00-893-1264: 2520-00-737-1369, 1615-01-242-9252. Verify interchangeability with system specifications before substitution.

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