PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77ACap,electrical

Precision Metal Products Co · NSN 5999-00-666-3838 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-666-3838 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-666-3838. Primary manufacturer part number: 77A.
Features
  • Cap,electrical — FSC 5999
  • Mounting Method: THREAD
  • Length: 0.625 INCHES NOMINAL IN
  • Insert: NOT INCLUDED
  • Surface Treatment: NICKEL
  • Unable to Decode: UNABLE TO DECODE
  • Chain: NOT INCLUDED
  • Thread Size: 3/8-32
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-666-3838, 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 Precision Metal Products Co. Government technical data includes 18 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-666-3838
Primary Part Number77A
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPrecision Metal Products Co
StatusACTIVE
Mounting MethodTHREAD
Length0.625 INCHES NOMINAL IN
InsertNOT INCLUDED
Surface TreatmentNICKEL
Unable to DecodeUNABLE TO DECODE
ChainNOT INCLUDED
Thread Size3/8-32
Usage DesignCAP FOR RESISTOR VARIABLE SHAFT
Width Across Flats0.500 INCHES NOMINAL IN
Mounting MethodTHREAD
Length0.625 INCHES NOMINAL IN
InsertNOT INCLUDED
Surface TreatmentNICKEL
Unable to DecodeUNABLE TO DECODE
ChainNOT INCLUDED
Thread Size3/8-32
Usage DesignCAP FOR RESISTOR VARIABLE SHAFT
Width Across Flats0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.1000 lbs
Cube0.0035 cu ft
Verified Substitutes 7
5330-00-073-7988 INTERCHANGEABLE
Gasket
9540-00-145-5701 INTERCHANGEABLE
Angle,structural
9540-00-145-8437 INTERCHANGEABLE
Angle,structural
5935-00-201-3203108-771 INTERCHANGEABLE
Plug,tip
Viking Technologies, Ltd.
5360-00-234-787477-A INTERCHANGEABLE
Spring Assortment
Globe Food Equipment Company
9540-00-288-3731 INTERCHANGEABLE
Angle,structural
5996-00-503-4064 INTERCHANGEABLE
Amplifier,synchro Signal
Cross-Reference Index
Part NumberManufacturer
77A Precision Metal Products Co (USA)
Related Parts
5330-00-073-7988INTERCHANGEABLE
GASKET
9540-00-145-5701INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-145-8437INTERCHANGEABLE
ANGLE,STRUCTURAL
5935-00-201-3203INTERCHANGEABLE
PLUG,TIP
108-771
5360-00-234-7874INTERCHANGEABLE
SPRING ASSORTMENT
77-A
9540-00-288-3731INTERCHANGEABLE
ANGLE,STRUCTURAL
5996-00-503-4064INTERCHANGEABLE
AMPLIFIER,SYNCHRO SIGNAL

Frequently Asked Questions

What is NSN 5999-00-666-3838?

NSN 5999-00-666-3838 is a Cap,electrical, manufactured by Precision Metal Products Co, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-666-3838?

NSN 5999-00-666-3838 has 1 cross-referenced part number: 77A (Precision Metal Products Co).

What NSN replaces 5999-00-666-3838?

There are 7 known substitutes for 5999-00-666-3838: 5330-00-073-7988, 9540-00-145-5701, 9540-00-145-8437 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77A?

Key specifications for 77A: Mounting Method: THREAD; Length: 0.625 INCHES NOMINAL IN; Insert: NOT INCLUDED; Surface Treatment: NICKEL. 18 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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