PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M121-00Circuit Card Assembly

Compaq Federal Llc · NSN 5998-00-152-8372 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-152-8372 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-152-8372. Primary manufacturer part number: M121-00.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Compaq Federal Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-152-8372, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Compaq Federal Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-152-8372
Primary Part NumberM121-00
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCompaq Federal Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 5
3040-00-254-4893SC-B-34495 INTERCHANGEABLE
Collar,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6115-00-504-1401 INTERCHANGEABLE
Generator Set,diesel Engine,trai
5360-00-597-07697982869 INTERCHANGEABLE
Spring,helical,compression
U S Army Tank Automotive Command Amsta-Im-Mm
5330-00-641-31221B4868 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5360-01-506-9955M-121 INTERCHANGEABLE
Spring,helical,compression
Anchor Lamina America Inc
Cross-Reference Index
Part NumberManufacturer
M121-00 PRIMARY Compaq Federal Llc (USA)
M121 Compaq Federal Llc (USA)
Related Parts
3040-00-254-4893INTERCHANGEABLE
COLLAR,SHAFT
SC-B-34495
6115-00-504-1401INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE,TRAI
5360-00-597-0769INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7982869
5330-00-641-3122INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B4868
5360-01-506-9955INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
M-121

Frequently Asked Questions

What is NSN 5998-00-152-8372?

NSN 5998-00-152-8372 is a Circuit Card Assembly, manufactured by Compaq Federal Llc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-152-8372?

NSN 5998-00-152-8372 has 2 cross-referenced part numbers: M121-00 (Compaq Federal Llc), M121 (Compaq Federal Llc).

What NSN replaces 5998-00-152-8372?

There are 5 known substitutes for 5998-00-152-8372: 3040-00-254-4893, 6115-00-504-1401, 5360-00-597-0769 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M121-00?

Key specifications for M121-00: Overall Length: 8.937 INCHES NOMINAL IN; Overall Width: 2.437 INCHES NOMINAL IN; Overall Height: 0.500 INCHES NOMINAL IN; Overall Length: 8.937 INCHES NOMINAL IN. 6 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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