PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21662Screw Assy.,vent

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 5305-01-188-0491 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-188-0491 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-188-0491. Primary manufacturer part number: 21662.
Features
  • Screw Assy.,vent — FSC 5305
  • 2 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw Assy.,vent, cataloged under National Stock Number 5305-01-188-0491, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew Assy.,vent
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersAm General Llc (CAGE 34623); Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (CAGE 84760)
Technical Specifications
ParameterValue
NSN5305-01-188-0491
Primary Part Number21662
Item NameScrew Assy.,vent
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-156-357610879 INTERCHANGEABLE
Bearing,ball,annular
Uniontools Inc
4320-00-163-107299121662 INTERCHANGEABLE
Pump,rotary
Alfa Laval Inc
5330-00-190-4227 INTERCHANGEABLE
Gasket
5945-00-354-2831 INTERCHANGEABLE
Armature,relay
6680-01-033-1161LS3003 INTERCHANGEABLE
Transmitter,liquid Quantity
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
3443-01-054-657521662 INTERCHANGEABLE
Diaphragm
Forenta Lp
4420-01-287-7903EV298/1500-VV-3 INTERCHANGEABLE
Cooler,fluid,industrial
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5360-01-331-007221662 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
4720-01-434-7949 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
5740574 Am General Llc (USA)
21662 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
3110-00-156-3576INTERCHANGEABLE
BEARING,BALL,ANNULAR
10879
4320-00-163-1072INTERCHANGEABLE
PUMP,ROTARY
99121662
5330-00-190-4227INTERCHANGEABLE
GASKET
5945-00-354-2831INTERCHANGEABLE
ARMATURE,RELAY
6680-01-033-1161INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
LS3003
3443-01-054-6575INTERCHANGEABLE
DIAPHRAGM
21662
4420-01-287-7903INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
EV298/1500-VV-3
5360-01-331-0072INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21662
4720-01-434-7949INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 5305-01-188-0491?

NSN 5305-01-188-0491 is a Screw Assy.,vent, 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 5305-01-188-0491?

NSN 5305-01-188-0491 has 2 cross-referenced part numbers: 5740574 (Am General Llc), 21662 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 5305-01-188-0491?

There are 9 known substitutes for 5305-01-188-0491: 3110-00-156-3576, 4320-00-163-1072, 5330-00-190-4227 and 6 more. Verify interchangeability with system specifications before substitution.

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