PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A21-141Mount,resilient,utility

Textron Ground Support Equipment Inc. Div Textron Gse · NSN 5340-01-663-1559 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-663-1559 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-663-1559. Primary manufacturer part number: A21-141.
Features
  • Mount,resilient,utility — FSC 5340
  • Style Designator: ROUND W/FLANGE THREADED STUD
  • 1 verified cross-reference
  • Primary manufacturer: Textron Ground Support Equipment Inc. Div Textron Gse
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Mount,resilient,utility, cataloged under National Stock Number 5340-01-663-1559, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Ground Support Equipment Inc. Div Textron Gse. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-663-1559
Primary Part NumberA21-141
Item NameMount,resilient,utility
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerTextron Ground Support Equipment Inc. Div Textron Gse
StatusACTIVE
Style DesignatorROUND W/FLANGE THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
2910-00-444-9036174 INTERCHANGEABLE
Filter Element,fluid
Deluxe Products Div Walker Mfg Co
5340-01-338-1694A21-141 INTERCHANGEABLE
Mounting,anti Vibra
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
Cross-Reference Index
Part NumberManufacturer
A21-141 PRIMARY Textron Ground Support Equipment Inc. Div Textron Gse (USA)
Related Parts
2910-00-444-9036INTERCHANGEABLE
FILTER ELEMENT,FLUID
174
5340-01-338-1694INTERCHANGEABLE
MOUNTING,ANTI VIBRA
A21-141

Frequently Asked Questions

What is NSN 5340-01-663-1559?

NSN 5340-01-663-1559 is a Mount,resilient,utility, manufactured by Textron Ground Support Equipment Inc. Div Textron Gse, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-663-1559?

NSN 5340-01-663-1559 has 1 cross-referenced part number: A21-141 (Textron Ground Support Equipment Inc. Div Textron Gse).

What NSN replaces 5340-01-663-1559?

There are 2 known substitutes for 5340-01-663-1559: 2910-00-444-9036, 5340-01-338-1694. Verify interchangeability with system specifications before substitution.

What are the specifications of A21-141?

Key specifications for A21-141: End Item Identification: KC-46A SE A; Style Designator: ROUND W/FLANGE THREADED STUD; Part Name Assigned by Controlling Agency: MOUNTING,ANTI VIBRA. 3 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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