PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125421CGasket

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5330-00-573-1232 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-573-1232 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-573-1232. Primary manufacturer part number: 125421C.
Features
  • Gasket — FSC 5330
  • Material: PAPER OVERALL
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • 4 verified cross-references
  • Primary manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-573-1232, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-573-1232
Primary Part Number125421C
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
MaterialPAPER OVERALL
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5315-00-392-2186125421 INTERCHANGEABLE
Pin,dowel,guide
Telemechanics Inc
2090-01-646-3559STNG0155 INTERCHANGEABLE
Lower Suspension,seat Marine
Safe Boats International Llc
Cross-Reference Index
Part NumberManufacturer
125421C PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
125421 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
125421 Hercules Engine Co Inc (USA)
125421C Hercules Engine Co Inc (USA)
Related Parts
5315-00-392-2186INTERCHANGEABLE
PIN,DOWEL,GUIDE
125421
2090-01-646-3559INTERCHANGEABLE
LOWER SUSPENSION,SEAT MARINE
STNG0155

Frequently Asked Questions

What is NSN 5330-00-573-1232?

NSN 5330-00-573-1232 is a Gasket, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-573-1232?

NSN 5330-00-573-1232 has 4 cross-referenced part numbers: 125421C (Brinkley Technology Group Llc Dba Hercules Manufacturing), 125421 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 125421 (Hercules Engine Co Inc), 125421C (Hercules Engine Co Inc).

What NSN replaces 5330-00-573-1232?

There are 2 known substitutes for 5330-00-573-1232: 5315-00-392-2186, 2090-01-646-3559. Verify interchangeability with system specifications before substitution.

What are the specifications of 125421C?

Key specifications for 125421C: Material: PAPER OVERALL; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-573-1232 still in active supply?

NSN 5330-00-573-1232 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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