PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8358-04Tool Kit

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5120-01-644-3549 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-644-3549 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-644-3549. Primary manufacturer part number: 8358-04.
Features
  • Tool Kit — FSC 5120
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Tool Kit, cataloged under National Stock Number 5120-01-644-3549, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-644-3549
Primary Part Number8358-04
Item NameTool Kit
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-334-593260-1491 INTERCHANGEABLE
Pin,engine Nacelle
The Boeing Company Div Defense
5961-00-938-1135 INTERCHANGEABLE
Semiconductor Device,diode
4330-01-413-7550 INTERCHANGEABLE
Head,fluid Filter
4330-01-418-6830204447 INTERCHANGEABLE
Support,fluid Filter Element
Admiral Filter Company Llc
Cross-Reference Index
Part NumberManufacturer
8358-04 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
60149-1 Tuthill Pumps Ltd Sub of Tuthill Corp (USA)
Related Parts
5315-00-334-5932INTERCHANGEABLE
PIN,ENGINE NACELLE
60-1491
5961-00-938-1135INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4330-01-413-7550INTERCHANGEABLE
HEAD,FLUID FILTER
4330-01-418-6830INTERCHANGEABLE
SUPPORT,FLUID FILTER ELEMENT
204447

Frequently Asked Questions

What is NSN 5120-01-644-3549?

NSN 5120-01-644-3549 is a Tool Kit, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-644-3549?

NSN 5120-01-644-3549 has 2 cross-referenced part numbers: 8358-04 (Howell Laboratories Inc Dba Howell Laboratories Inc), 60149-1 (Tuthill Pumps Ltd Sub of Tuthill Corp).

What NSN replaces 5120-01-644-3549?

There are 4 known substitutes for 5120-01-644-3549: 5315-00-334-5932, 5961-00-938-1135, 4330-01-413-7550 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8358-04?

Key specifications for 8358-04: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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