PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A21145Retainer,packing

Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument · NSN 5330-00-803-8947 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-803-8947 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-803-8947. Primary manufacturer part number: A21145.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • Peripheral Diameter: 0.688 INCHES NOMINAL IN
  • Center Hole Diameter: 0.625 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • FSC Application Data: INDICATOR,SIGHT,LIQUID
  • 1 verified cross-reference
  • Primary manufacturer: Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
Applications
  • Applications requiring Steel Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-803-8947, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-803-8947
Primary Part NumberA21145
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerScott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
StatusACTIVE
Cross-Sectional Height0.188 INCHES NOMINAL IN
Peripheral Diameter0.688 INCHES NOMINAL IN
Center Hole Diameter0.625 INCHES NOMINAL IN
MaterialSTEEL OVERALL
FSC Application DataINDICATOR,SIGHT,LIQUID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5325-00-282-5311 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
A21145 PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
Related Parts
5325-00-282-5311INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5330-00-803-8947?

NSN 5330-00-803-8947 is a Retainer,packing, manufactured by Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-803-8947?

NSN 5330-00-803-8947 has 1 cross-referenced part number: A21145 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).

What NSN replaces 5330-00-803-8947?

There is 1 known substitute for 5330-00-803-8947: 5325-00-282-5311. Verify interchangeability with system specifications before substitution.

What are the specifications of A21145?

Key specifications for A21145: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; Peripheral Diameter: 0.688 INCHES NOMINAL IN; Center Hole Diameter: 0.625 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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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