PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D686-31Circuit Card Assy

L3 Technologies, Inc. Div L3 Keo · NSN 5975-00-949-8441 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-949-8441 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-949-8441. Primary manufacturer part number: D686-31.
Features
  • Circuit Card Assy — FSC 5975
  • 3 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assy, cataloged under National Stock Number 5975-00-949-8441, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCircuit Card Assy
FSC / FSG5975 — No Item Name Available (FSG 59)
ManufacturersL3 Technologies, Inc. Div L3 Keo (CAGE 34228)
Technical Specifications
ParameterValue
NSN5975-00-949-8441
Primary Part NumberD686-31
Item NameCircuit Card Assy
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-303-1110 INTERCHANGEABLE
Valve,check
6515-01-504-506001-2645 INTERCHANGEABLE
Reconstruction Mond
Biomet Microfixation, Llc Div Biomet Microfixation
Cross-Reference Index
Part NumberManufacturer
012645 L3 Technologies, Inc. Div L3 Keo (USA)
D686-31 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
686D012645 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
4820-01-303-1110INTERCHANGEABLE
VALVE,CHECK
6515-01-504-5060INTERCHANGEABLE
RECONSTRUCTION MOND
01-2645

Frequently Asked Questions

What is NSN 5975-00-949-8441?

NSN 5975-00-949-8441 is a Circuit Card Assy, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-949-8441?

NSN 5975-00-949-8441 has 3 cross-referenced part numbers: 012645 (L3 Technologies, Inc. Div L3 Keo), D686-31 (L3 Technologies, Inc. Div L3 Keo), 686D012645 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5975-00-949-8441?

There are 2 known substitutes for 5975-00-949-8441: 4820-01-303-1110, 6515-01-504-5060. Verify interchangeability with system specifications before substitution.

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