PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21653Screw,cap,socket Head

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5305-01-328-4539 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-328-4539 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-328-4539. Primary manufacturer part number: 21653.
Features
  • Screw,cap,socket Head — FSC 5305
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-328-4539, is classified within Federal Supply Class 5305 (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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,cap,socket Head
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersParker Hannifin Corporation Div Hydraulic Systems Division (CAGE 93835); Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (CAGE 59211)
Technical Specifications
ParameterValue
NSN5305-01-328-4539
Primary Part Number21653
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-222-73191628A81286 INTERCHANGEABLE
Dummy Connector,receptacle
Lockheed Martin Corporation Div Rotary and Mission Systems
5330-00-298-62102-16-53 INTERCHANGEABLE
Packing,preformed
Roper Industries Inc Roper Pump Co Div
2930-00-402-557121653 INTERCHANGEABLE
Seal Assembly
Industrial Technologies and Services Llc
5935-00-540-3092 INTERCHANGEABLE
Connector,thermocouple
4820-01-018-801221653 INTERCHANGEABLE
Valve,butterfly
Noske-Kaeser Germany Gmbh
2910-01-026-2886 INTERCHANGEABLE
Parts Kit,carburetor
Cross-Reference Index
Part NumberManufacturer
21653 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
21653 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
Related Parts
5935-00-222-7319INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
1628A81286
5330-00-298-6210INTERCHANGEABLE
PACKING,PREFORMED
2-16-53
2930-00-402-5571INTERCHANGEABLE
SEAL ASSEMBLY
21653
5935-00-540-3092INTERCHANGEABLE
CONNECTOR,THERMOCOUPLE
4820-01-018-8012INTERCHANGEABLE
VALVE,BUTTERFLY
21653
2910-01-026-2886INTERCHANGEABLE
PARTS KIT,CARBURETOR

Frequently Asked Questions

What is NSN 5305-01-328-4539?

NSN 5305-01-328-4539 is a Screw,cap,socket Head, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-328-4539?

NSN 5305-01-328-4539 has 2 cross-referenced part numbers: 21653 (Parker Hannifin Corporation Div Hydraulic Systems Division), 21653 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).

What NSN replaces 5305-01-328-4539?

There are 6 known substitutes for 5305-01-328-4539: 5935-00-222-7319, 5330-00-298-6210, 2930-00-402-5571 and 3 more. Verify interchangeability with system specifications before substitution.

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