PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21048Connecting Link,rigid

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 3040-01-100-5059 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-100-5059 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-100-5059. Primary manufacturer part number: 21048.
Features
  • Connecting Link,rigid — FSC 3040
  • Body Thickness: 0.160 INCHES NOMINAL IN
  • Link Style: STRAIGHT
  • Material: ALUMINUM ALLOY
  • Body Construction: SOLID
  • Body Width: 0.190 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-100-5059, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN3040-01-100-5059
Primary Part Number21048
Item NameConnecting Link,rigid
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Body Thickness0.160 INCHES NOMINAL IN
Link StyleSTRAIGHT
MaterialALUMINUM ALLOY
Body ConstructionSOLID
Body Width0.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-727-1327 INTERCHANGEABLE
Terminal,lug
4730-00-908-6292 INTERCHANGEABLE
Clamp,hose
3895-01-029-857021048 INTERCHANGEABLE
Backer Set
Stone Construction Equipment, Inc.
5315-01-114-893621048 INTERCHANGEABLE
Pin
Paccar Winch Inc Dba Paccar Winch Division
5310-01-240-079521048 INTERCHANGEABLE
Washer,lock
Dresser, Llc
4720-01-316-4660HA48Y INTERCHANGEABLE
Hose Assembly,nonmetallic
Ritchie Engineering Co Inc
5331-01-644-304221048 INTERCHANGEABLE
O-Ring
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
21048G Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21048 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
5940-00-727-1327INTERCHANGEABLE
TERMINAL,LUG
4730-00-908-6292INTERCHANGEABLE
CLAMP,HOSE
3895-01-029-8570INTERCHANGEABLE
BACKER SET
21048
5315-01-114-8936INTERCHANGEABLE
PIN
21048
5310-01-240-0795INTERCHANGEABLE
WASHER,LOCK
21048
4720-01-316-4660INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
HA48Y
5331-01-644-3042INTERCHANGEABLE
O-RING
21048

Frequently Asked Questions

What is NSN 3040-01-100-5059?

NSN 3040-01-100-5059 is a Connecting Link,rigid, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-100-5059?

NSN 3040-01-100-5059 has 2 cross-referenced part numbers: 21048G (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21048 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 3040-01-100-5059?

There are 7 known substitutes for 3040-01-100-5059: 5940-00-727-1327, 4730-00-908-6292, 3895-01-029-8570 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21048?

Key specifications for 21048: Body Thickness: 0.160 INCHES NOMINAL IN; Link Style: STRAIGHT; Material: ALUMINUM ALLOY; Body Construction: SOLID. 6 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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