PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91904Cap,electrical

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5999-00-792-9623 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-792-9623 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-792-9623. Primary manufacturer part number: 91904.
Features
  • Cap,electrical — FSC 5999
  • Length: 0.282 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Insert: NOT INCLUDED
  • Thread Size: 1/2-28
  • Diameter: 0.562 INCHES NOMINAL IN
  • Mounting Method: THREAD
  • Length: 0.282 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-792-9623, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-792-9623
Primary Part Number91904
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Length0.282 INCHES NOMINAL IN
ChainNOT INCLUDED
InsertNOT INCLUDED
Thread Size1/2-28
Diameter0.562 INCHES NOMINAL IN
Mounting MethodTHREAD
Length0.282 INCHES NOMINAL IN
ChainNOT INCLUDED
InsertNOT INCLUDED
Thread Size1/2-28
Diameter0.562 INCHES NOMINAL IN
Mounting MethodTHREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 4
5310-00-209-004791904 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
5310-00-209-414523374 INTERCHANGEABLE
Washer,key
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
2520-00-594-00971666551 INTERCHANGEABLE
Retainer,drive Gear
Chrysler Realty Company Llc Dba Daimler Chrysler
5945-01-071-3168R8222V1003 INTERCHANGEABLE
Relay,electromagnetic
Honeywell Inc Residential Div
Cross-Reference Index
Part NumberManufacturer
91904 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5310-00-209-0047INTERCHANGEABLE
WASHER,FLAT
91904
5310-00-209-4145INTERCHANGEABLE
WASHER,KEY
23374
2520-00-594-0097INTERCHANGEABLE
RETAINER,DRIVE GEAR
1666551
5945-01-071-3168INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
R8222V1003

Frequently Asked Questions

What is NSN 5999-00-792-9623?

NSN 5999-00-792-9623 is a Cap,electrical, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-792-9623?

NSN 5999-00-792-9623 has 1 cross-referenced part number: 91904 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5999-00-792-9623?

There are 4 known substitutes for 5999-00-792-9623: 5310-00-209-0047, 5310-00-209-4145, 2520-00-594-0097 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91904?

Key specifications for 91904: Length: 0.282 INCHES NOMINAL IN; Chain: NOT INCLUDED; Insert: NOT INCLUDED; Thread Size: 1/2-28. 12 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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