PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16821Screw,machine

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5305-01-720-5671 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-720-5671 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-720-5671. Primary manufacturer part number: 16821.
Features
  • Screw,machine — FSC 5305
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-720-5671, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-720-5671
Primary Part Number16821
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-116-0477M-3932 INTERCHANGEABLE
Strainer,suction
Marvel Engineering Company Inc
5330-00-121-3075 INTERCHANGEABLE
Seal,oil
3020-00-431-183816821 INTERCHANGEABLE
Sprocket Wheel
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
4730-00-779-098016821 INTERCHANGEABLE
Packing Nut
Fmc Corp
5342-01-013-6043 INTERCHANGEABLE
Bracket,clamp
5330-01-092-1443 INTERCHANGEABLE
Packing Assembly
6610-01-125-873716821 INTERCHANGEABLE
Solenoid Assembly,rotary
Astronautics Corporation of America
6685-01-147-852416-819 INTERCHANGEABLE
Gage,pressure,dial Indicating
Hess Manufacturing Inc Div Blast-It-All
5955-01-266-5768755090A0247-1 INTERCHANGEABLE
Crystal Unit,quartz
Marine Corps
5920-01-473-043716821 INTERCHANGEABLE
Fuse,cartridge
Itw Food Equipment Group Llc Dba Gaylord Industries
Cross-Reference Index
Part NumberManufacturer
16821 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
4730-00-116-0477INTERCHANGEABLE
STRAINER,SUCTION
M-3932
5330-00-121-3075INTERCHANGEABLE
SEAL,OIL
3020-00-431-1838INTERCHANGEABLE
SPROCKET WHEEL
16821
4730-00-779-0980INTERCHANGEABLE
PACKING NUT
16821
5342-01-013-6043INTERCHANGEABLE
BRACKET,CLAMP
5330-01-092-1443INTERCHANGEABLE
PACKING ASSEMBLY
6610-01-125-8737INTERCHANGEABLE
SOLENOID ASSEMBLY,ROTARY
16821
6685-01-147-8524INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
16-819
5955-01-266-5768INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
755090A0247-1
5920-01-473-0437INTERCHANGEABLE
FUSE,CARTRIDGE
16821
5920-01-605-3102INTERCHANGEABLE
ARRESTER,ELECTRICAL SURGE
1682-1

Frequently Asked Questions

What is NSN 5305-01-720-5671?

NSN 5305-01-720-5671 is a Screw,machine, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-720-5671?

NSN 5305-01-720-5671 has 1 cross-referenced part number: 16821 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5305-01-720-5671?

There are 11 known substitutes for 5305-01-720-5671: 4730-00-116-0477, 5330-00-121-3075, 3020-00-431-1838 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16821?

Key specifications for 16821: End Item Identification: 90-8M0125267; Part Name Assigned by Controlling Agency: SCREW. 2 total characteristics are documented in the Federal Logistics Information System.

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