PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51821Clamp,loop

Mitsubishi Caterpillar Forklift America, Inc · NSN 5340-00-778-6272 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-778-6272 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-778-6272. Primary manufacturer part number: 51821.
Features
  • Clamp,loop — FSC 5340
  • Style Designator: SINGLE LOOP
  • Material: STEEL OVERALL
  • Tongue Hole Type: ROUND, UNTHREADED
  • Distance From Loop Center to Tongue End: 1.562 INCHES NOMINAL IN
  • Fastening Device Type: PLAIN HEXAGON HEAD SCREW
  • Material Thickness: 0.190 INCHES NOMINAL IN
  • Diameter: 0.530 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-778-6272, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mitsubishi Caterpillar Forklift America, Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-778-6272
Primary Part Number51821
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMitsubishi Caterpillar Forklift America, Inc
StatusACTIVE
Style DesignatorSINGLE LOOP
MaterialSTEEL OVERALL
Tongue Hole TypeROUND, UNTHREADED
Distance From Loop Center to Tongue End1.562 INCHES NOMINAL IN
Fastening Device TypePLAIN HEXAGON HEAD SCREW
Material Thickness0.190 INCHES NOMINAL IN
Diameter0.530 INCHES NOMINAL IN
Loop Inside Diameter1.375 INCHES NOMINAL IN
Center to Center Distance Between Loop and Mounting Hole1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
3110-00-142-4388173434 INTERCHANGEABLE
Cup,tapered Roller Bearing
Allison Transmission Inc Dba Allison Transmission, Inc
6685-01-234-896751821 INTERCHANGEABLE
Thermometer,self-Indicating
Olympic Medical Corp
5315-01-282-803151821 INTERCHANGEABLE
Pin
Ingersoll-Rand Co Material Handling Div
5365-01-445-919851821 INTERCHANGEABLE
Bushing,machine Thread
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
51821 PRIMARY Mitsubishi Caterpillar Forklift America, Inc (USA)
S14977 Columbus Auto Parts Co (USA)
Related Parts
3110-00-142-4388INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
173434
6685-01-234-8967INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
51821
5315-01-282-8031INTERCHANGEABLE
PIN
51821
5365-01-445-9198INTERCHANGEABLE
BUSHING,MACHINE THREAD
51821

Frequently Asked Questions

What is NSN 5340-00-778-6272?

NSN 5340-00-778-6272 is a Clamp,loop, manufactured by Mitsubishi Caterpillar Forklift America, Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-778-6272?

NSN 5340-00-778-6272 has 2 cross-referenced part numbers: 51821 (Mitsubishi Caterpillar Forklift America, Inc), S14977 (Columbus Auto Parts Co).

What NSN replaces 5340-00-778-6272?

There are 4 known substitutes for 5340-00-778-6272: 3110-00-142-4388, 6685-01-234-8967, 5315-01-282-8031 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51821?

Key specifications for 51821: Style Designator: SINGLE LOOP; Material: STEEL OVERALL; Tongue Hole Type: ROUND, UNTHREADED; Distance From Loop Center to Tongue End: 1.562 INCHES NOMINAL IN. 10 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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