PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72456Ring,retaining

Dressta North America Ltd · NSN 5325-00-530-4945 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-530-4945 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-530-4945. Primary manufacturer part number: 72456.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.090 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: ROUNDED CORNERS
  • Outside Diameter: 5.281 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Material: STEEL
  • Usage Design: INTERNAL
  • Inside Diameter: 5.219 INCHES MINIMUM AND 5.281 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-530-4945, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-530-4945
Primary Part Number72456
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerDressta North America Ltd
StatusCANCELLED
Major Thickness0.090 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Cross-Sectional Shape StyleROUNDED CORNERS
Outside Diameter5.281 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
MaterialSTEEL
Usage DesignINTERNAL
Inside Diameter5.219 INCHES MINIMUM AND 5.281 INCHES MAXIMUM IN
Ring StyleINTERNAL STEPPED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4710-00-011-8495144735 INTERCHANGEABLE
Tube Assembly,metal
Cummins Inc.
5307-00-025-8294SF111-11SA16A INTERCHANGEABLE
Stud,locked in
Howmet Global Fastening Systems Inc Div Rosan Products
1020-00-131-4303134383PC6 INTERCHANGEABLE
Catch
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2920-00-213-8471 INTERCHANGEABLE
Button,stop
6625-00-303-0576 INTERCHANGEABLE
Resistor,decade
6230-00-432-7792 INTERCHANGEABLE
Thermostat
5950-00-439-6259722849-1 INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company Div Rmd Strategic
3030-00-472-12364755 INTERCHANGEABLE
Belt,v
Clayton Manufacturing Company
3020-00-847-8139RS11-SS INTERCHANGEABLE
Chain,roller
Echelon Supply and Service, Inc.
6685-00-978-860872456 INTERCHANGEABLE
Coil Assembly,giannini
L3harris Interstate Electronics Corporation
Cross-Reference Index
Part NumberManufacturer
72456 Komatsu America Corporation (USA)
144735 Komatsu American Intl Co (USA)
4755 Warner Gear International Division of Borg-Warner Ltd (GBR)
35324 Stampings Inc (USA)
156357R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
5325PL0811324 Jednolity Indeks Materialowy - Uniform Material Index (POL)
D72456 Komatsu America Corporation (USA)
72456 PRIMARY Dressta North America Ltd (USA)
4755 Liberty Ventures Inti, Llc (USA)
4755 PRIMARY Borg-Warner Corp (USA)
156357R1 Navistar International Corporation Dba Navistar (USA)
134383 Komatsu American Intl Co (USA)
156357R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
W4755 Taylor-Dunn Corporation Dba Metro Crown International (USA)
Related Parts
4710-00-011-8495INTERCHANGEABLE
TUBE ASSEMBLY,METAL
144735
5307-00-025-8294INTERCHANGEABLE
STUD,LOCKED IN
SF111-11SA16A
1020-00-131-4303INTERCHANGEABLE
CATCH
134383PC6
2920-00-213-8471INTERCHANGEABLE
BUTTON,STOP
6625-00-303-0576INTERCHANGEABLE
RESISTOR,DECADE
6230-00-432-7792INTERCHANGEABLE
THERMOSTAT
5950-00-439-6259INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
722849-1
3030-00-472-1236INTERCHANGEABLE
BELT,V
4755
3020-00-847-8139INTERCHANGEABLE
CHAIN,ROLLER
RS11-SS
6685-00-978-8608INTERCHANGEABLE
COIL ASSEMBLY,GIANNINI
72456
5340-01-017-4631INTERCHANGEABLE
CLAMP,LOOP
35324
3455-01-029-8420INTERCHANGEABLE
CUTTER,MILLING,END
1-1741-1000

Frequently Asked Questions

What is NSN 5325-00-530-4945?

NSN 5325-00-530-4945 is a Ring,retaining, manufactured by Dressta North America Ltd, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-530-4945?

NSN 5325-00-530-4945 has 14 cross-referenced part numbers: 72456 (Komatsu America Corporation), 144735 (Komatsu American Intl Co), 4755 (Warner Gear International Division of Borg-Warner Ltd), 35324 (Stampings Inc), 156357R1 (Navistar Intl Corp Truck Br Ohio Plant) and 9 more.

What NSN replaces 5325-00-530-4945?

There are 12 known substitutes for 5325-00-530-4945: 4710-00-011-8495, 5307-00-025-8294, 1020-00-131-4303 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 72456?

Key specifications for 72456: Major Thickness: 0.090 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 5.281 INCHES MINIMUM AND 5.312 INCHES MAXIMUM IN; Casehardening Indicator: NOT CASEHARDENED. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-530-4945 still in active supply?

NSN 5325-00-530-4945 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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