PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18321Clamp,loop

Brunswick Corp Dba Mercury Marine Div Mercury Marine · NSN 5340-01-588-3214 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-588-3214 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-588-3214. Primary manufacturer part number: 18321.
Features
  • Clamp,loop — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Dba Mercury Marine Div Mercury Marine
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Clamp,loop, cataloged under National Stock Number 5340-01-588-3214, is classified within Federal Supply Class 5340 (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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-588-3214
Primary Part Number18321
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerBrunswick Corp Dba Mercury Marine Div Mercury Marine
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5133-00-051-5750 INTERCHANGEABLE
Drill,twist
5950-00-084-3416 INTERCHANGEABLE
Coil,radio Frequency
5130-00-105-3112 INTERCHANGEABLE
Gear Cage,air Motor
4820-00-627-9798 INTERCHANGEABLE
Disk,valve
5970-01-170-932418321 INTERCHANGEABLE
Insulator,washer
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4810-01-221-20118262A264 INTERCHANGEABLE
Valve,solenoid
Automatic Switch Company Dba Asco
5330-01-229-352418321 INTERCHANGEABLE
Packing with Retainer
Leybold Usa Inc.
Cross-Reference Index
Part NumberManufacturer
18321 PRIMARY Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
Related Parts
5133-00-051-5750INTERCHANGEABLE
DRILL,TWIST
5950-00-084-3416INTERCHANGEABLE
COIL,RADIO FREQUENCY
5130-00-105-3112INTERCHANGEABLE
GEAR CAGE,AIR MOTOR
4820-00-627-9798INTERCHANGEABLE
DISK,VALVE
5970-01-170-9324INTERCHANGEABLE
INSULATOR,WASHER
18321
4810-01-221-2011INTERCHANGEABLE
VALVE,SOLENOID
8262A264
5330-01-229-3524INTERCHANGEABLE
PACKING WITH RETAINER
18321

Frequently Asked Questions

What is NSN 5340-01-588-3214?

NSN 5340-01-588-3214 is a Clamp,loop, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-588-3214?

NSN 5340-01-588-3214 has 1 cross-referenced part number: 18321 (Brunswick Corp Dba Mercury Marine Div Mercury Marine).

What NSN replaces 5340-01-588-3214?

There are 7 known substitutes for 5340-01-588-3214: 5133-00-051-5750, 5950-00-084-3416, 5130-00-105-3112 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18321?

Key specifications for 18321: Part Name Assigned by Controlling Agency: MOUNTING CLAMP; End Item Identification: ENGINE,OUTBOARD,GAS, 250HP,STD & CTR ROTATE. 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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