PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

901-4Adjusting Screw Ass

Tescom Corp Instrument Div · NSN 4820-01-190-9186 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-190-9186 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-190-9186. Primary manufacturer part number: 901-4.
Features
  • Adjusting Screw Ass — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • 4 verified cross-references
  • Primary manufacturer: Tescom Corp Instrument Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Adjusting Screw Ass, cataloged under National Stock Number 4820-01-190-9186, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Instrument Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-190-9186
Primary Part Number901-4
Item NameAdjusting Screw Ass
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Instrument Div
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6910-00-099-9243 INTERCHANGEABLE
Training Aid,material Test Syste
5935-00-295-65269014 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5935-00-720-8335228583-1 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation
4320-00-759-55429014 INTERCHANGEABLE
Holder,bucket Wheel
Coffin Turbo Pump Inc
3610-00-894-88819014 INTERCHANGEABLE
Latch
Stanley Bostitch Inc Sub of the Stanley Works Corp
5945-01-017-3567 INTERCHANGEABLE
Relay,electromagnetic
6625-01-030-9843 INTERCHANGEABLE
Divider,power,radio Frequency
3040-01-070-73069014 INTERCHANGEABLE
Shaft,hub Assembly
Belfort Instrument Company
5310-01-097-5848 INTERCHANGEABLE
Washer,flat
5895-01-143-25722681028-1 INTERCHANGEABLE
Divider,power,radio Frequency
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
901-4 Tescom Corp Instrument Div (USA)
901-4 Tescom Corp Dba Tescom Div Tescom (USA)
901-4CP Naval Inventory Control Point Mechanicsburg (USA)
901-4 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
6910-00-099-9243INTERCHANGEABLE
TRAINING AID,MATERIAL TEST SYSTE
5935-00-295-6526INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9014
5935-00-720-8335INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
228583-1
4320-00-759-5542INTERCHANGEABLE
HOLDER,BUCKET WHEEL
9014
3610-00-894-8881INTERCHANGEABLE
LATCH
9014
5945-01-017-3567INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6625-01-030-9843INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
3040-01-070-7306INTERCHANGEABLE
SHAFT,HUB ASSEMBLY
9014
5310-01-097-5848INTERCHANGEABLE
WASHER,FLAT
5895-01-143-2572INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
2681028-1
5110-01-231-5710INTERCHANGEABLE
TOOL,STRIPPING
901-4
4820-01-268-9841INTERCHANGEABLE
VALVE,CHECK
9014

Frequently Asked Questions

What is NSN 4820-01-190-9186?

NSN 4820-01-190-9186 is a Adjusting Screw Ass, manufactured by Tescom Corp Instrument Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-190-9186?

NSN 4820-01-190-9186 has 4 cross-referenced part numbers: 901-4 (Tescom Corp Instrument Div), 901-4 (Tescom Corp Dba Tescom Div Tescom), 901-4CP (Naval Inventory Control Point Mechanicsburg), 901-4 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-190-9186?

There are 12 known substitutes for 4820-01-190-9186: 6910-00-099-9243, 5935-00-295-6526, 5935-00-720-8335 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 901-4?

Key specifications for 901-4: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 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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