PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21781Extractor,electrical Card

Ocean Technology Inc · NSN 5998-01-077-8787 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-077-8787 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-077-8787. Primary manufacturer part number: 21781.
Features
  • Extractor,electrical Card — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Ocean Technology Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Extractor,electrical Card, cataloged under National Stock Number 5998-01-077-8787, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ocean Technology Inc. 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.

Catalog Facts
Item NameExtractor,electrical Card
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersOcean Technology Inc (CAGE 23094)
Technical Specifications
ParameterValue
NSN5998-01-077-8787
Primary Part Number21781
Item NameExtractor,electrical Card
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerOcean Technology Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.5950 lbs
Cube0.0187 cu ft
Verified Substitutes 4
5998-00-175-0833 INTERCHANGEABLE
Circuit Card Assembly
4820-00-276-90390915514 INTERCHANGEABLE
Cock,drain
Agco Corp Parts Opn
4030-01-209-7047 INTERCHANGEABLE
Hook,hoist
4730-01-359-25312HL567 INTERCHANGEABLE
Restrictor,fluid Flow
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
21781 Ocean Technology Inc (USA)
Related Parts
5998-00-175-0833INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4820-00-276-9039INTERCHANGEABLE
COCK,DRAIN
0915514
4030-01-209-7047INTERCHANGEABLE
HOOK,HOIST
4730-01-359-2531INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2HL567

Frequently Asked Questions

What is NSN 5998-01-077-8787?

NSN 5998-01-077-8787 is a Extractor,electrical Card, manufactured by Ocean Technology Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-077-8787?

NSN 5998-01-077-8787 has 1 cross-referenced part number: 21781 (Ocean Technology Inc).

What NSN replaces 5998-01-077-8787?

There are 4 known substitutes for 5998-01-077-8787: 5998-00-175-0833, 4820-00-276-9039, 4030-01-209-7047 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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