PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

399Core

Fifty Avenue L Inc · NSN 5950-00-536-3990 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-536-3990 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-536-3990. Primary manufacturer part number: 399.
Features
  • Core — FSC 5950
  • 1 verified cross-reference
  • Primary manufacturer: Fifty Avenue L Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Core, cataloged under National Stock Number 5950-00-536-3990, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Fifty Avenue L Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCore
FSC / FSG5950 — No Item Name Available (FSG 59)
ManufacturersFifty Avenue L Inc (CAGE 51596)
Technical Specifications
ParameterValue
NSN5950-00-536-3990
Primary Part Number399
Item NameCore
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFifty Avenue L Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4935-00-065-2977399 INTERCHANGEABLE
Arm,writing
Philips North America Llc Dba Philips Healthcare
5110-00-083-004221-399 INTERCHANGEABLE
Rasp,hand
Stanley Tools Div of Stanley Works
3030-00-103-230317691 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5935-00-201-7179399 INTERCHANGEABLE
Jack,tip
Birnbach Co Inc
5935-00-284-3922399 INTERCHANGEABLE
Jack,telephone
L3harris Technologies, Inc. Dba Harris Corporation
6220-00-472-4166915119 INTERCHANGEABLE
Light,marker,clearance
General Motors Llc Dba General Motors Llc
5985-00-504-7776AT153U INTERCHANGEABLE
Horn,waveguide
Joint Electronics Type Designation System
6240-00-865-32571399 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
3110-01-212-4720S0399 INTERCHANGEABLE
Bearing,ball,annular
Lowensten W W
5120-01-399-9199 INTERCHANGEABLE
Pliers,retaining Ring
Cross-Reference Index
Part NumberManufacturer
399 Fifty Avenue L Inc (USA)
Related Parts
4935-00-065-2977INTERCHANGEABLE
ARM,WRITING
399
5110-00-083-0042INTERCHANGEABLE
RASP,HAND
21-399
3030-00-103-2303INTERCHANGEABLE
BELT,V
17691
5935-00-201-7179INTERCHANGEABLE
JACK,TIP
399
5935-00-284-3922INTERCHANGEABLE
JACK,TELEPHONE
399
6220-00-472-4166INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
915119
5985-00-504-7776INTERCHANGEABLE
HORN,WAVEGUIDE
AT153U
6240-00-865-3257INTERCHANGEABLE
LAMP,INCANDESCENT
1399
3110-01-212-4720INTERCHANGEABLE
BEARING,BALL,ANNULAR
S0399
5120-01-399-9199INTERCHANGEABLE
PLIERS,RETAINING RING
4820-01-509-1400INTERCHANGEABLE
VALVE,VACUUM REGULATING
399
6680-01-722-6266INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
1/2" FIF-D/BRZ/NEO

Frequently Asked Questions

What is NSN 5950-00-536-3990?

NSN 5950-00-536-3990 is a Core, manufactured by Fifty Avenue L Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-536-3990?

NSN 5950-00-536-3990 has 1 cross-referenced part number: 399 (Fifty Avenue L Inc).

What NSN replaces 5950-00-536-3990?

There are 12 known substitutes for 5950-00-536-3990: 4935-00-065-2977, 5110-00-083-0042, 3030-00-103-2303 and 9 more. Verify interchangeability with system specifications before substitution.

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