PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RST-196Ring,retaining

Spirolox Inc · NSN 5325-00-143-0033 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-143-0033 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-143-0033. Primary manufacturer part number: RST-196.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 1.844 INCHES MINIMUM AND 1.864 INCHES MAXIMUM IN
  • Major Thickness: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: DOUBLE OVAL
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Document and Classification: FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE
  • Outside Diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
  • Ring Style: SPIRAL
Applications
  • Applications requiring Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1084 or Steel Comp 1085 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-143-0033, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 9 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.

Technical Specifications
ParameterValue
NSN5325-00-143-0033
Primary Part NumberRST-196
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpirolox Inc
StatusACTIVE
Inside Diameter1.844 INCHES MINIMUM AND 1.864 INCHES MAXIMUM IN
Major Thickness0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Cross-Sectional Shape StyleDOUBLE OVAL
Casehardening IndicatorNOT CASEHARDENED
Material Document and ClassificationFED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE
Outside Diameter2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN
Ring StyleSPIRAL
Usage DesignEXTERNAL
MaterialSTEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-003-257810063973-101 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5995-01-693-6987808-091 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
808091 American Hoist and Derrick Co
RST-196 PRIMARY Spirolox Inc (USA)
808091 Terex American Crane Corp (USA)
Related Parts
5962-01-003-2578INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
10063973-101
5995-01-693-6987INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
808-091

Frequently Asked Questions

What is NSN 5325-00-143-0033?

NSN 5325-00-143-0033 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-143-0033?

NSN 5325-00-143-0033 has 3 cross-referenced part numbers: 808091 (American Hoist and Derrick Co), RST-196 (Spirolox Inc), 808091 (Terex American Crane Corp).

What NSN replaces 5325-00-143-0033?

There are 2 known substitutes for 5325-00-143-0033: 5962-01-003-2578, 5995-01-693-6987. Verify interchangeability with system specifications before substitution.

What are the specifications of RST-196?

Key specifications for RST-196: Inside Diameter: 1.844 INCHES MINIMUM AND 1.864 INCHES MAXIMUM IN; Major Thickness: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Cross-Sectional Shape Style: DOUBLE OVAL; Casehardening Indicator: NOT CASEHARDENED. 9 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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