PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21622Screw Assembly,panel

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5305-01-190-4078 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-190-4078 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-190-4078. Primary manufacturer part number: 21622.
Features
  • Screw Assembly,panel — FSC 5305
  • Material Accommodated Thickness: 0.028 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM SPRING
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER
  • Material Document and Classification: 41L400 FSCM 84760 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw Assembly,panel, cataloged under National Stock Number 5305-01-190-4078, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-190-4078
Primary Part Number21622
Item NameScrew Assembly,panel
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Material Accommodated Thickness0.028 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating50.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM SPRING
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER
Material Document and Classification41L400 FSCM 84760 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Fastener Length0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3010-00-163-106799121622 INTERCHANGEABLE
Ring,friction
Alfa Laval Inc
6625-00-556-189022733 INTERCHANGEABLE
Ammeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-904-4947111-009-0003 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation
5935-01-074-86071133017G1 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc. Dba Harris Corporation
5325-01-096-118922733 INTERCHANGEABLE
Grommet,nonmetallic
Astrocom Electronics Inc
5930-01-097-408621622 INTERCHANGEABLE
Boot,dust and Moisture Seal
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4310-01-297-034921622 INTERCHANGEABLE
Plate,reed Valve
Eaton Corporation Div Eaton Fluid Power
4220-01-310-9983 INTERCHANGEABLE
Boots,divers'
Cross-Reference Index
Part NumberManufacturer
21622 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
22733 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
5740578 Am General Llc (USA)
Related Parts
3010-00-163-1067INTERCHANGEABLE
RING,FRICTION
99121622
6625-00-556-1890INTERCHANGEABLE
AMMETER
22733
5950-00-904-4947INTERCHANGEABLE
COIL,RADIO FREQUENCY
111-009-0003
5935-01-074-8607INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1133017G1
5325-01-096-1189INTERCHANGEABLE
GROMMET,NONMETALLIC
22733
5930-01-097-4086INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
21622
4310-01-297-0349INTERCHANGEABLE
PLATE,REED VALVE
21622
4220-01-310-9983INTERCHANGEABLE
BOOTS,DIVERS'

Frequently Asked Questions

What is NSN 5305-01-190-4078?

NSN 5305-01-190-4078 is a Screw Assembly,panel, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-190-4078?

NSN 5305-01-190-4078 has 3 cross-referenced part numbers: 21622 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 22733 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 5740578 (Am General Llc).

What NSN replaces 5305-01-190-4078?

There are 8 known substitutes for 5305-01-190-4078: 3010-00-163-1067, 6625-00-556-1890, 5950-00-904-4947 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21622?

Key specifications for 21622: Material Accommodated Thickness: 0.028 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM SPRING. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com