PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4920-5Extension,screw

Columbus Jack Corporation Div Columbus Jack · NSN 1730-00-205-4814 · FSC 1730 · No Item Name Available
Verified by PartsTable
NSN 1730-00-205-4814 — this item is cataloged by the U.S. Government under National Stock Number 1730-00-205-4814. Primary manufacturer part number: 4920-5.
Features
  • Extension,screw — FSC 1730
  • General Characteristics Item Description: MATERIAL STEEL PER MIL-S-6758,4.250 IN. LG,1.680 IN. DIA,ONENO. 40/0.098 IN. DIA/ DRILL 0.875 IN. DEEP ON ROOT DIA OF THREAD,0.250 IN. SINGLE LEAD RIGHT HAND THD /GAGE G-10/ ON SHAFT,MEDIUMDIAMOND KNURL ON HEAD IN
  • 5 verified cross-references
  • Primary manufacturer: Columbus Jack Corporation Div Columbus Jack
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Extension,screw, cataloged under National Stock Number 1730-00-205-4814, is classified within Federal Supply Class 1730 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1730-00-205-4814
Primary Part Number4920-5
Item NameExtension,screw
FSC / FSG1730 / 17 — No Item Name Available
ManufacturerColumbus Jack Corporation Div Columbus Jack
StatusACTIVE
General Characteristics Item DescriptionMATERIAL STEEL PER MIL-S-6758,4.250 IN. LG,1.680 IN. DIA,ONENO. 40/0.098 IN. DIA/ DRILL 0.875 IN. DEEP ON ROOT DIA OF THREAD,0.250 IN. SINGLE LEAD RIGHT HAND THD /GAGE G-10/ ON SHAFT,MEDIUMDIAMOND KNURL ON HEAD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-30732X6535A INTERCHANGEABLE
Cone and Rollers,tapered Roller
Napco International Llc Dba Napco International Inc
4310-01-611-6565551-6182 INTERCHANGEABLE
Filter Element,intake Air Cleane
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
4920-5 Alek Industries Inc (USA)
SP0490-99-M-WB98 Sterling Automatic Machining Inc (USA)
4920-5 Age Logistics Corporation (USA)
4920-5 Sterling Automatic Machining Inc (USA)
4920-5 PRIMARY Columbus Jack Corporation Div Columbus Jack (USA)
Related Parts
3110-00-100-3073INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2X6535A
4310-01-611-6565INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
551-6182

Frequently Asked Questions

What is NSN 1730-00-205-4814?

NSN 1730-00-205-4814 is a Extension,screw, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 1730 (No Item Name Available). Status: active.

What are the part numbers for NSN 1730-00-205-4814?

NSN 1730-00-205-4814 has 5 cross-referenced part numbers: 4920-5 (Alek Industries Inc), SP0490-99-M-WB98 (Sterling Automatic Machining Inc), 4920-5 (Age Logistics Corporation), 4920-5 (Sterling Automatic Machining Inc), 4920-5 (Columbus Jack Corporation Div Columbus Jack).

What NSN replaces 1730-00-205-4814?

There are 2 known substitutes for 1730-00-205-4814: 3110-00-100-3073, 4310-01-611-6565. Verify interchangeability with system specifications before substitution.

What are the specifications of 4920-5?

Key specifications for 4920-5: End Item Identification: GRUMMAN AIRCRAFT; MODEL A10; General Characteristics Item Description: MATERIAL STEEL PER MIL-S-6758,4.250 IN. LG,1.680 IN. DIA,ONENO. 40/0.098 IN. DIA/ DRILL 0.875 IN. DEEP ON ROOT DIA OF THREAD,0.250 IN. SINGLE LEAD RIGHT HAND THD /GAGE G-10/ ON SHAFT,MEDIUMDIAMOND KNURL ON HEAD IN. 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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