PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21604Spacer,sleeve

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5365-01-508-3800 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-508-3800 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-508-3800. Primary manufacturer part number: 21604.
Features
  • Spacer,sleeve — FSC 5365
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-508-3800, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,sleeve
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835)
Technical Specifications
ParameterValue
NSN5365-01-508-3800
Primary Part Number21604
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-00-336-556799133014 INTERCHANGEABLE
Plate,housing
Alfa Laval Inc
2835-00-659-054421604 INTERCHANGEABLE
Line Assembly,drain
Alamo Aircraft, Ltd.
6340-00-717-233521604 INTERCHANGEABLE
Gear Assy
Safe Flight Instrument, Llc
5330-01-437-8806 INTERCHANGEABLE
Packing with Retainer
Cross-Reference Index
Part NumberManufacturer
21604 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
4330-00-336-5567INTERCHANGEABLE
PLATE,HOUSING
99133014
2835-00-659-0544INTERCHANGEABLE
LINE ASSEMBLY,DRAIN
21604
6340-00-717-2335INTERCHANGEABLE
GEAR ASSY
21604
5330-01-437-8806INTERCHANGEABLE
PACKING WITH RETAINER

Frequently Asked Questions

What is NSN 5365-01-508-3800?

NSN 5365-01-508-3800 is a Spacer,sleeve, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-508-3800?

NSN 5365-01-508-3800 has 1 cross-referenced part number: 21604 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5365-01-508-3800?

There are 4 known substitutes for 5365-01-508-3800: 4330-00-336-5567, 2835-00-659-0544, 6340-00-717-2335 and 1 more. Verify interchangeability with system specifications before substitution.

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