PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500-21Ring,retaining

Fl Industries Inc Pneumotive Div · NSN 5325-00-837-2256 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-837-2256 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-837-2256. Primary manufacturer part number: 500-21.
Features
  • Ring,retaining — FSC 5325
  • 2 verified cross-references
  • Primary manufacturer: Fl Industries Inc Pneumotive Div
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-837-2256, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fl Industries Inc Pneumotive Div. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersFl Industries Inc Pneumotive Div (CAGE 51034)
Technical Specifications
ParameterValue
NSN5325-00-837-2256
Primary Part Number500-21
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerFl Industries Inc Pneumotive Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-060-7321 INTERCHANGEABLE
Light,marker,aircraft Obstructio
3110-00-195-1064108924 INTERCHANGEABLE
Retainer and Balls,bearing
Hyster-Yale Group, Inc.
5820-00-200-591650021 INTERCHANGEABLE
Holder Assembly
Apw Electronic Solutions
5133-00-335-5380 INTERCHANGEABLE
Extension,chuck,dri
2915-00-486-074150021 INTERCHANGEABLE
Tube Assy-Eng Primi
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-579-257350-021 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-599-5132 INTERCHANGEABLE
Seal,plain Encased
1680-00-766-827450021-1 INTERCHANGEABLE
Parts Kit,actuator,
Meggitt North Hollywood Inc
4920-00-874-2581 INTERCHANGEABLE
Adapter
6240-01-357-590450021 INTERCHANGEABLE
Lamp,incandescent
Schlueter Co the
Cross-Reference Index
Part NumberManufacturer
085-14-131 Fl Industries Inc Pneumotive Div (USA)
500-21 PRIMARY Fl Industries Inc Pneumotive Div (USA)
Related Parts
6210-00-060-7321INTERCHANGEABLE
LIGHT,MARKER,AIRCRAFT OBSTRUCTIO
3110-00-195-1064INTERCHANGEABLE
RETAINER AND BALLS,BEARING
108924
5820-00-200-5916INTERCHANGEABLE
HOLDER ASSEMBLY
50021
5133-00-335-5380INTERCHANGEABLE
EXTENSION,CHUCK,DRI
2915-00-486-0741INTERCHANGEABLE
TUBE ASSY-ENG PRIMI
50021
5330-00-579-2573INTERCHANGEABLE
GASKET
50-021
5330-00-599-5132INTERCHANGEABLE
SEAL,PLAIN ENCASED
1680-00-766-8274INTERCHANGEABLE
PARTS KIT,ACTUATOR,
50021-1
4920-00-874-2581INTERCHANGEABLE
ADAPTER
6240-01-357-5904INTERCHANGEABLE
LAMP,INCANDESCENT
50021
5331-01-597-3441INTERCHANGEABLE
O-RING
50021
4520-01-606-2982INTERCHANGEABLE
DAMPER,FLUE
50021

Frequently Asked Questions

What is NSN 5325-00-837-2256?

NSN 5325-00-837-2256 is a Ring,retaining, manufactured by Fl Industries Inc Pneumotive Div, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-837-2256?

NSN 5325-00-837-2256 has 2 cross-referenced part numbers: 085-14-131 (Fl Industries Inc Pneumotive Div), 500-21 (Fl Industries Inc Pneumotive Div).

What NSN replaces 5325-00-837-2256?

There are 12 known substitutes for 5325-00-837-2256: 6210-00-060-7321, 3110-00-195-1064, 5820-00-200-5916 and 9 more. Verify interchangeability with system specifications before substitution.

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