PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA20029Retainer,helical Compression Spr

Howmet Global Fastening Systems Inc. Div Tridair Products · NSN 5340-01-233-0641 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-233-0641 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-233-0641. Primary manufacturer part number: CA20029.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • Body Inside Diameter: 0.300 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Body Outside Diameter: 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
  • Lip Thickness: 0.028 INCHES NOMINAL IN
  • End Hole Diameter: 0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 303 OR STEEL COMP 303SE
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE construction
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-233-0641, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5340-01-233-0641
Primary Part NumberCA20029
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc. Div Tridair Products
StatusACTIVE
Body Inside Diameter0.300 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Body Outside Diameter0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
Lip Thickness0.028 INCHES NOMINAL IN
End Hole Diameter0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 303 OR STEEL COMP 303SE
Style DesignatorIRREGULAR
Material Document and ClassificationAMS 5640, TYPE 30303 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5640, TYPE 30303SE ASSN STD 2ND MATERIAL RESPONSE AND ASTM A582, TYPE 303 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A581, TYPE 303 ASSN STD 1ST MATERIAL RESPONSE
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5998-01-039-168182567-2 INTERCHANGEABLE
Circuit Card Assembly
Raytheon Company Dba Raytheon Co
5910-01-342-9457 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cross-Reference Index
Part NumberManufacturer
82567-2 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
82567-2 United Technologies Corp Hamilton Sundstrand Corp (USA)
CA20029 PRIMARY Howmet Global Fastening Systems Inc. Div Tridair Products (USA)
Related Parts
5998-01-039-1681INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
82567-2
5910-01-342-9457INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR

Frequently Asked Questions

What is NSN 5340-01-233-0641?

NSN 5340-01-233-0641 is a Retainer,helical Compression Spr, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-233-0641?

NSN 5340-01-233-0641 has 3 cross-referenced part numbers: 82567-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 82567-2 (United Technologies Corp Hamilton Sundstrand Corp), CA20029 (Howmet Global Fastening Systems Inc. Div Tridair Products).

What NSN replaces 5340-01-233-0641?

There are 2 known substitutes for 5340-01-233-0641: 5998-01-039-1681, 5910-01-342-9457. Verify interchangeability with system specifications before substitution.

What are the specifications of CA20029?

Key specifications for CA20029: Body Inside Diameter: 0.300 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Body Outside Diameter: 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN; Special Features: NOTCH TO BE USED FOR CAGE REMOVAL IF REQUIRED. 12 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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