PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21902Ring,wiper

Eaton Aerospace Llc · NSN 5330-01-049-2371 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-049-2371 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-049-2371. Primary manufacturer part number: 21902.
Features
  • Ring,wiper — FSC 5330
  • FSC Application Data: VALVE,RESET,POWERED
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • Material: UNABLE TO DECODE
  • Ring Style: CONCENTRIC
  • Outside Diameter: 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Material Thickness: 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Applications requiring Unable to Decode construction
General Description

The Ring,wiper, cataloged under National Stock Number 5330-01-049-2371, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5330-01-049-2371
Primary Part Number21902
Item NameRing,wiper
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc
StatusACTIVE
FSC Application DataVALVE,RESET,POWERED
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
MaterialUNABLE TO DECODE
Ring StyleCONCENTRIC
Outside Diameter0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Material Thickness0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2990-01-010-610621860 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5961-01-169-4694 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-218-6795 INTERCHANGEABLE
Cap,valve
5340-01-283-566221902 INTERCHANGEABLE
Handle,manual Control
Jergens Inc Div Tooling Components Division
3460-01-363-8158DW1803 INTERCHANGEABLE
Arbor,hole Saw
Black and Decker Us Inc
5920-01-379-9644CF4U INTERCHANGEABLE
Fuseholder,block
Altech Corporation
Cross-Reference Index
Part NumberManufacturer
21902 PRIMARY Eaton Aerospace Llc (USA)
Related Parts
2990-01-010-6106INTERCHANGEABLE
MUFFLER,EXHAUST
21860
5961-01-169-4694INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-218-6795INTERCHANGEABLE
CAP,VALVE
5340-01-283-5662INTERCHANGEABLE
HANDLE,MANUAL CONTROL
21902
3460-01-363-8158INTERCHANGEABLE
ARBOR,HOLE SAW
DW1803
5920-01-379-9644INTERCHANGEABLE
FUSEHOLDER,BLOCK
CF4U

Frequently Asked Questions

What is NSN 5330-01-049-2371?

NSN 5330-01-049-2371 is a Ring,wiper, manufactured by Eaton Aerospace Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-049-2371?

NSN 5330-01-049-2371 has 1 cross-referenced part number: 21902 (Eaton Aerospace Llc).

What NSN replaces 5330-01-049-2371?

There are 6 known substitutes for 5330-01-049-2371: 2990-01-010-6106, 5961-01-169-4694, 4820-01-218-6795 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21902?

Key specifications for 21902: FSC Application Data: VALVE,RESET,POWERED; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Material: UNABLE TO DECODE; Ring Style: CONCENTRIC. 7 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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