PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3393Cap,electrical

Lockheed Martin Corporation Div Rms · NSN 5999-00-553-0494 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-553-0494 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-553-0494. Primary manufacturer part number: 3393.
Features
  • Cap,electrical — FSC 5999
  • Diameter: 2.150 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Thread Size: 2-12
  • Material: COPPER ALLOY 642 BODY
  • Mounting Method: THREAD
  • Height: 1.250 INCHES NOMINAL IN
  • Insert: NOT INCLUDED
Applications
  • Applications requiring Copper Alloy 642 Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-553-0494, 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 Corporation Div Rms. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-553-0494
Primary Part Number3393
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Diameter2.150 INCHES NOMINAL IN
ChainNOT INCLUDED
Thread Size2-12
MaterialCOPPER ALLOY 642 BODY
Mounting MethodTHREAD
Height1.250 INCHES NOMINAL IN
InsertNOT INCLUDED
Diameter2.150 INCHES NOMINAL IN
ChainNOT INCLUDED
Thread Size2-12
MaterialCOPPER ALLOY 642 BODY
Mounting MethodTHREAD
Height1.250 INCHES NOMINAL IN
InsertNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.6300 lbs
Cube0.0282 cu ft
Verified Substitutes 8
5210-00-293-33935210-00-293-3393 INTERCHANGEABLE
Rule,multiple Folding
General Services Administration Federal Supply Service
5935-00-405-39533393 INTERCHANGEABLE
Cover,electrical Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4210-00-889-486324707 INTERCHANGEABLE
Cylinder,assy
Tyco Fire Products Lp
4730-01-192-8174N3393 INTERCHANGEABLE
Plug,tube Fitting,threaded
Husco International Inc
5310-01-260-31303393 INTERCHANGEABLE
Nut
Alter Harry Co the Div of T E C
4730-01-298-9542 INTERCHANGEABLE
Nipple,pipe
5310-01-509-28303393 INTERCHANGEABLE
Washer,flat
Cpi Radant Technologies Division Inc.
2910-01-588-055616631-4356-0 INTERCHANGEABLE
Filter Element,fluid
Lynn Electronics Llc
Cross-Reference Index
Part NumberManufacturer
3393 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
3393 Burke Products Inc (USA)
3393 PRIMARY Lockheed Martin Corporation Div Rms (USA)
BP16012 Burke Products Inc (USA)
SIA-1856 Sigmation Inc (USA)
D3393 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
Related Parts
5210-00-293-3393INTERCHANGEABLE
RULE,MULTIPLE FOLDING
5210-00-293-3393
5935-00-405-3953INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
3393
4210-00-889-4863INTERCHANGEABLE
CYLINDER,ASSY
24707
4730-01-192-8174INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
N3393
5310-01-260-3130INTERCHANGEABLE
NUT
3393
4730-01-298-9542INTERCHANGEABLE
NIPPLE,PIPE
5310-01-509-2830INTERCHANGEABLE
WASHER,FLAT
3393
2910-01-588-0556INTERCHANGEABLE
FILTER ELEMENT,FLUID
16631-4356-0

Frequently Asked Questions

What is NSN 5999-00-553-0494?

NSN 5999-00-553-0494 is a Cap,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-553-0494?

NSN 5999-00-553-0494 has 6 cross-referenced part numbers: 3393 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 3393 (Burke Products Inc), 3393 (Lockheed Martin Corporation Div Rms), BP16012 (Burke Products Inc), SIA-1856 (Sigmation Inc) and 1 more.

What NSN replaces 5999-00-553-0494?

There are 8 known substitutes for 5999-00-553-0494: 5210-00-293-3393, 5935-00-405-3953, 4210-00-889-4863 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3393?

Key specifications for 3393: Diameter: 2.150 INCHES NOMINAL IN; Chain: NOT INCLUDED; Thread Size: 2-12; Material: COPPER ALLOY 642 BODY. 14 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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