PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21086Printed Circuit Board

United States Postal Service · NSN 5998-00-134-9577 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-134-9577 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-134-9577. Primary manufacturer part number: 21086.
Features
  • Printed Circuit Board — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: United States Postal Service
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Printed Circuit Board, cataloged under National Stock Number 5998-00-134-9577, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is United States Postal Service. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePrinted Circuit Board
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersUnited States Postal Service (CAGE 88001)
Technical Specifications
ParameterValue
NSN5998-00-134-9577
Primary Part Number21086
Item NamePrinted Circuit Board
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerUnited States Postal Service
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-202-094121086 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc
5965-00-247-488621086 INTERCHANGEABLE
Clamp
Telephonics Corp
9540-00-528-8797 INTERCHANGEABLE
Angle,structural
5950-00-725-5483 INTERCHANGEABLE
Reactor
1660-00-730-015021086-1 INTERCHANGEABLE
Converter,liquid Oxygen
Mission Systems Orchard Park Inc
4730-01-249-22852108-6 INTERCHANGEABLE
Elbow,tube
King Engineering Corporation Dba King-Gage Systems
4730-01-253-28812-1086-7 INTERCHANGEABLE
Mender,hose
Malabar
4030-01-438-06086169058 INTERCHANGEABLE
Swivel and Link Assembly
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
21086 United States Postal Service (USA)
Related Parts
5360-00-202-0941INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21086
5965-00-247-4886INTERCHANGEABLE
CLAMP
21086
9540-00-528-8797INTERCHANGEABLE
ANGLE,STRUCTURAL
5950-00-725-5483INTERCHANGEABLE
REACTOR
1660-00-730-0150INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
21086-1
4730-01-249-2285INTERCHANGEABLE
ELBOW,TUBE
2108-6
4730-01-253-2881INTERCHANGEABLE
MENDER,HOSE
2-1086-7
4030-01-438-0608INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
6169058

Frequently Asked Questions

What is NSN 5998-00-134-9577?

NSN 5998-00-134-9577 is a Printed Circuit Board, manufactured by United States Postal Service, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-134-9577?

NSN 5998-00-134-9577 has 1 cross-referenced part number: 21086 (United States Postal Service).

What NSN replaces 5998-00-134-9577?

There are 8 known substitutes for 5998-00-134-9577: 5360-00-202-0941, 5965-00-247-4886, 9540-00-528-8797 and 5 more. Verify interchangeability with system specifications before substitution.

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