PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Z-221Grommet,nonmetallic

Minor Rubber Co Inc · NSN 5325-00-754-1072 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-754-1072 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-754-1072. Primary manufacturer part number: Z-221.
Features
  • Grommet,nonmetallic — FSC 5325
  • Groove Width: 0.188 INCHES NOMINAL IN
  • Groove Outside Diameter: 0.562 INCHES NOMINAL IN
  • Features Provided: OIL RESISTANT AND COOLANT RESISTANT
  • Material: RUBBER SYNTHETIC OVERALL
  • Grommet Style: ROUND
  • Large Flange Outside Diameter: 0.750 INCHES NOMINAL IN
  • Flange Thickness: 0.062 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-754-1072, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Minor Rubber Co Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-754-1072
Primary Part NumberZ-221
Item NameGrommet,nonmetallic
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerMinor Rubber Co Inc
StatusACTIVE
Groove Width0.188 INCHES NOMINAL IN
Groove Outside Diameter0.562 INCHES NOMINAL IN
Features ProvidedOIL RESISTANT AND COOLANT RESISTANT
MaterialRUBBER SYNTHETIC OVERALL
Grommet StyleROUND
Large Flange Outside Diameter0.750 INCHES NOMINAL IN
Flange Thickness0.062 INCHES NOMINAL IN
Hole Diameter0.188 INCHES NOMINAL IN
Grommet Construction TypeSOLID
Nonmetallic Hardness Rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-241-8921 INTERCHANGEABLE
Switch,toggle
2935-00-984-1699 INTERCHANGEABLE
Connector,tube,oil
5930-01-263-5934565044 INTERCHANGEABLE
Switch,lock
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
Z-221 Minor Rubber Co Inc (USA)
56504-4 Hamilton Sundstrand Corporation (USA)
MS35489-138 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35490-51 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-241-8921INTERCHANGEABLE
SWITCH,TOGGLE
2935-00-984-1699INTERCHANGEABLE
CONNECTOR,TUBE,OIL
5930-01-263-5934INTERCHANGEABLE
SWITCH,LOCK
565044

Frequently Asked Questions

What is NSN 5325-00-754-1072?

NSN 5325-00-754-1072 is a Grommet,nonmetallic, manufactured by Minor Rubber Co Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-754-1072?

NSN 5325-00-754-1072 has 4 cross-referenced part numbers: Z-221 (Minor Rubber Co Inc), 56504-4 (Hamilton Sundstrand Corporation), MS35489-138 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35490-51 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5325-00-754-1072?

There are 3 known substitutes for 5325-00-754-1072: 5930-00-241-8921, 2935-00-984-1699, 5930-01-263-5934. Verify interchangeability with system specifications before substitution.

What are the specifications of Z-221?

Key specifications for Z-221: Groove Width: 0.188 INCHES NOMINAL IN; Groove Outside Diameter: 0.562 INCHES NOMINAL IN; Features Provided: OIL RESISTANT AND COOLANT RESISTANT; Material: RUBBER SYNTHETIC OVERALL. 11 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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