PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-G-12803 F21000M2RCork Sheet

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5330-00-223-2657 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-223-2657 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-223-2657. Primary manufacturer part number: MIL-G-12803 F21000M2R.
Features
  • Cork Sheet — FSC 5330
  • Width: 18.000 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2,+2116A TYPE A
  • Thickness: 0.062 INCHES NOMINAL IN
  • Minimum Tensile Strength: ERR-060
  • Length: 72.000 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cork Sheet, cataloged under National Stock Number 5330-00-223-2657, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-223-2657
Primary Part NumberMIL-G-12803 F21000M2R
Item NameCork Sheet
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Width18.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data2,+2116A TYPE A
Thickness0.062 INCHES NOMINAL IN
Minimum Tensile StrengthERR-060
Length72.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-178-9793 INTERCHANGEABLE
Cork Sheet
5330-00-255-031056152R2 INTERCHANGEABLE
Gasket
Navistar Intl Corp Truck Br Ohio Plant
5330-00-585-1091 INTERCHANGEABLE
Paper,gasket
5330-00-678-5390 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
MIL-G-12803 F21000M2R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASTM F104-03 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
5330-00-178-9793INTERCHANGEABLE
CORK SHEET
5330-00-255-0310INTERCHANGEABLE
GASKET
56152R2
5330-00-585-1091INTERCHANGEABLE
PAPER,GASKET
5330-00-678-5390INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5330-00-223-2657?

NSN 5330-00-223-2657 is a Cork Sheet, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-223-2657?

NSN 5330-00-223-2657 has 2 cross-referenced part numbers: MIL-G-12803 F21000M2R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM F104-03 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 5330-00-223-2657?

There are 4 known substitutes for 5330-00-223-2657: 5330-00-178-9793, 5330-00-255-0310, 5330-00-585-1091 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-G-12803 F21000M2R?

Key specifications for MIL-G-12803 F21000M2R: Width: 18.000 INCHES NOMINAL IN; Special Features: CORK AND RESIN MIL-G-12803,NO. F213000M2R; Nondefinitive Spec/std Data: 2,+2116A TYPE A; Thickness: 0.062 INCHES NOMINAL IN. 6 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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