PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21281Ring,retaining

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 5325-01-098-0490 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-098-0490 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-098-0490. Primary manufacturer part number: 21281.
Features
  • Ring,retaining — FSC 5325
  • 1 verified cross-reference
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-098-0490, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (CAGE 96046)
Technical Specifications
ParameterValue
NSN5325-01-098-0490
Primary Part Number21281
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-337-9563292-1669G1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5930-00-544-5607 INTERCHANGEABLE
Switch,thermostatic
5930-00-705-5875 INTERCHANGEABLE
Switch,thermostatic
5330-00-927-926021281 INTERCHANGEABLE
Seal,oil
Caterpillar Inc Div Caterpillar Defense
5355-01-417-91252128-1 INTERCHANGEABLE
Dial,scale
Aerosonic Llc
1005-01-503-002421281 INTERCHANGEABLE
Bore,rod
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21281 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5950-00-337-9563INTERCHANGEABLE
TRANSFORMER,POWER
292-1669G1
5930-00-544-5607INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-00-705-5875INTERCHANGEABLE
SWITCH,THERMOSTATIC
5330-00-927-9260INTERCHANGEABLE
SEAL,OIL
21281
5355-01-417-9125INTERCHANGEABLE
DIAL,SCALE
2128-1
1005-01-503-0024INTERCHANGEABLE
BORE,ROD
21281

Frequently Asked Questions

What is NSN 5325-01-098-0490?

NSN 5325-01-098-0490 is a Ring,retaining, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-098-0490?

NSN 5325-01-098-0490 has 1 cross-referenced part number: 21281 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 5325-01-098-0490?

There are 6 known substitutes for 5325-01-098-0490: 5950-00-337-9563, 5930-00-544-5607, 5930-00-705-5875 and 3 more. Verify interchangeability with system specifications before substitution.

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