PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

821-0-008Mandrel Uniflex

Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling · NSN 3441-01-021-2029 · FSC 3441 · No Item Name Available
Verified by PartsTable
NSN 3441-01-021-2029 — this item is cataloged by the U.S. Government under National Stock Number 3441-01-021-2029. Primary manufacturer part number: 821-0-008.
Features
  • Mandrel Uniflex — FSC 3441
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Material: ALUMINUM AND COPPER ALLOY
  • General Characteristics Item Description: ALUMINUM BRONZE; 1/4 IN. OD; 0.016 WALL THICKNESS; TUBULAR CONFIGURATION W/T HANDLE SCREW ADJUSTMENT AND SWIVEL BALL LINK; ONE BALL; W/LUBRICATION HOLE IN
  • 4 verified cross-references
  • Primary manufacturer: Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling
Applications
  • Applications requiring Aluminum and Copper Alloy construction
General Description

The Mandrel Uniflex, cataloged under National Stock Number 3441-01-021-2029, is classified within Federal Supply Class 3441 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3441-01-021-2029
Primary Part Number821-0-008
Item NameMandrel Uniflex
FSC / FSG3441 / 34 — No Item Name Available
ManufacturerPines Manufacturing Inc Dba H & H Tooling Div H&h Tooling
StatusACTIVE
Overall Diameter0.250 INCHES NOMINAL IN
MaterialALUMINUM AND COPPER ALLOY
General Characteristics Item DescriptionALUMINUM BRONZE; 1/4 IN. OD; 0.016 WALL THICKNESS; TUBULAR CONFIGURATION W/T HANDLE SCREW ADJUSTMENT AND SWIVEL BALL LINK; ONE BALL; W/LUBRICATION HOLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-082-4748 INTERCHANGEABLE
Terminal,feedthru
Cross-Reference Index
Part NumberManufacturer
821-0-008 Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling (USA)
821-0-008 Joanna Western Mills Co (USA)
821-0-008 Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
821-008 Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
Related Parts
5940-00-082-4748INTERCHANGEABLE
TERMINAL,FEEDTHRU

Frequently Asked Questions

What is NSN 3441-01-021-2029?

NSN 3441-01-021-2029 is a Mandrel Uniflex, manufactured by Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling, classified under FSC 3441 (No Item Name Available). Status: active.

What are the part numbers for NSN 3441-01-021-2029?

NSN 3441-01-021-2029 has 4 cross-referenced part numbers: 821-0-008 (Pines Manufacturing Inc Dba H & H Tooling Div H&h Tooling), 821-0-008 (Joanna Western Mills Co), 821-0-008 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering), 821-008 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering).

What NSN replaces 3441-01-021-2029?

There is 1 known substitute for 3441-01-021-2029: 5940-00-082-4748. Verify interchangeability with system specifications before substitution.

What are the specifications of 821-0-008?

Key specifications for 821-0-008: Overall Diameter: 0.250 INCHES NOMINAL IN; Material: ALUMINUM AND COPPER ALLOY; General Characteristics Item Description: ALUMINUM BRONZE; 1/4 IN. OD; 0.016 WALL THICKNESS; TUBULAR CONFIGURATION W/T HANDLE SCREW ADJUSTMENT AND SWIVEL BALL LINK; ONE BALL; W/LUBRICATION HOLE IN. 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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