PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11801-1Shielding Gasket,electronic

Lockheed Martin Corp · NSN 5999-01-145-0518 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-145-0518 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-145-0518. Primary manufacturer part number: 11801-1.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Criticality Code Justification: ZZZY
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
  • Material Document and Classification: UNABLE TO DECODE
  • Material: UNABLE TO DECODE
  • Style Designator: RECTANGULAR
  • Cross-Sectional Shape Style: EMI
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Unable to Decode construction
General Description

The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-145-0518, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-145-0518
Primary Part Number11801-1
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Criticality Code JustificationZZZY
Cross-Sectional Height0.062 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
Style DesignatorRECTANGULAR
Cross-Sectional Shape StyleEMI
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
MaterialUNABLE TO DECODE
Material Document and ClassificationUNABLE TO DECODE
Criticality Code JustificationZZZY
Cross-Sectional Height0.062 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
Style DesignatorRECTANGULAR
Cross-Sectional Shape StyleEMI
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
MaterialUNABLE TO DECODE
Material Document and ClassificationUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.2000 lbs
Cube0.0007 cu ft
Verified Substitutes 12
Shielding Gasket,electronic
1660-00-193-6958118011 INTERCHANGEABLE
Tube Assy,governor
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
3110-00-198-004311-801 INTERCHANGEABLE
Bearing,ball,annular
Thermo King Corporation Dba Phoenix Global Distirbution.
5930-00-234-9197 INTERCHANGEABLE
Switch,toggle
5950-00-416-8282118011 INTERCHANGEABLE
Coil,electrical
Unison Industries Llc
5999-00-452-133607-0701-3006 INTERCHANGEABLE
Gasketing Material,conductive
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5315-00-536-10448527526 INTERCHANGEABLE
Pin,straight,headed
Us Army Aviation and Missile Command
5305-00-543-5941 INTERCHANGEABLE
Screw,externally Relieved Body
3040-00-671-0450540-8439-002 INTERCHANGEABLE
Hub,body
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5950-00-706-9412 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
11801-1 Lockheed Martin Corp (USA)
LO3241 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
SM-A-801117-2 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
11801 Lockheed Martin Corp (USA)
82-55306 Technical Wire Products, Llc Dba Twp (USA)
Related Parts
5999-00-741-5408SUCCESSOR
SHIELDING GASKET,ELECTRONIC
1660-00-193-6958INTERCHANGEABLE
TUBE ASSY,GOVERNOR
118011
3110-00-198-0043INTERCHANGEABLE
BEARING,BALL,ANNULAR
11-801
5930-00-234-9197INTERCHANGEABLE
SWITCH,TOGGLE
5950-00-416-8282INTERCHANGEABLE
COIL,ELECTRICAL
118011
5999-00-452-1336INTERCHANGEABLE
GASKETING MATERIAL,CONDUCTIVE
07-0701-3006
5315-00-536-1044INTERCHANGEABLE
PIN,STRAIGHT,HEADED
8527526
5305-00-543-5941INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
3040-00-671-0450INTERCHANGEABLE
HUB,BODY
540-8439-002
5950-00-706-9412INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-911-2259INTERCHANGEABLE
SEAL,PLAIN ENCASED
11801
3110-00-980-3641INTERCHANGEABLE
BEARING,ROLLER,TAPERED
15112 AND 15245

Frequently Asked Questions

What is NSN 5999-01-145-0518?

NSN 5999-01-145-0518 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-145-0518?

NSN 5999-01-145-0518 has 5 cross-referenced part numbers: 11801-1 (Lockheed Martin Corp), LO3241 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), SM-A-801117-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 11801 (Lockheed Martin Corp), 82-55306 (Technical Wire Products, Llc Dba Twp).

What NSN replaces 5999-01-145-0518?

There are 12 known substitutes for 5999-01-145-0518: 5999-00-741-5408, 1660-00-193-6958, 3110-00-198-0043 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11801-1?

Key specifications for 11801-1: Overall Width: 3.000 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP. 26 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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