PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21643Retainer,packing

Schneider Electric Systems Usa Inc · NSN 5330-00-834-8680 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-834-8680 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-834-8680. Primary manufacturer part number: 21643.
Features
  • Retainer,packing — FSC 5330
  • Extrusion Angle: 45.0 DEGREES NOMINAL
  • Material: COPPER ALLOY OVERALL
  • Cross-Sectional Shape Style: ANGLE
  • Center Hole Diameter: 0.331 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.084 INCHES NOMINAL IN
  • Peripheral Diameter: 0.542 INCHES NOMINAL IN
  • Angle: 45.0 DEGREES NOMINAL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-834-8680, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 7 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-834-8680
Primary Part Number21643
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSchneider Electric Systems Usa Inc
StatusACTIVE
Extrusion Angle45.0 DEGREES NOMINAL
MaterialCOPPER ALLOY OVERALL
Cross-Sectional Shape StyleANGLE
Center Hole Diameter0.331 INCHES NOMINAL IN
Cross-Sectional Height0.084 INCHES NOMINAL IN
Peripheral Diameter0.542 INCHES NOMINAL IN
Angle45.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-647-832332357 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
2910-01-171-884227950 INTERCHANGEABLE
Guard,carburetor
Stone Construction Equipment, Inc.
4820-01-180-075621643 INTERCHANGEABLE
Valve,expansion
Traulsen and Co Inc
1650-01-327-395821643 INTERCHANGEABLE
Pad,hanger Arm
Parker Hannifin Corporation Div Hydraulic Systems Division
5355-01-329-3454 INTERCHANGEABLE
Knob
Cross-Reference Index
Part NumberManufacturer
21643 PRIMARY Schneider Electric Systems Usa Inc (USA)
Related Parts
5950-00-647-8323INTERCHANGEABLE
TRANSFORMER,POWER
32357
2910-01-171-8842INTERCHANGEABLE
GUARD,CARBURETOR
27950
4820-01-180-0756INTERCHANGEABLE
VALVE,EXPANSION
21643
1650-01-327-3958INTERCHANGEABLE
PAD,HANGER ARM
21643
5355-01-329-3454INTERCHANGEABLE
KNOB

Frequently Asked Questions

What is NSN 5330-00-834-8680?

NSN 5330-00-834-8680 is a Retainer,packing, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-834-8680?

NSN 5330-00-834-8680 has 1 cross-referenced part number: 21643 (Schneider Electric Systems Usa Inc).

What NSN replaces 5330-00-834-8680?

There are 5 known substitutes for 5330-00-834-8680: 5950-00-647-8323, 2910-01-171-8842, 4820-01-180-0756 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21643?

Key specifications for 21643: Extrusion Angle: 45.0 DEGREES NOMINAL; Material: COPPER ALLOY OVERALL; Cross-Sectional Shape Style: ANGLE; Center Hole Diameter: 0.331 INCHES NOMINAL IN. 7 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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