PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20323Fixture,aircraft Maintenance

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4920-01-493-8075 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-493-8075 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-493-8075. Primary manufacturer part number: 20323.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Reference Data and Literature: SERD NO LM21302536
  • Nominal Overall Length: 7.500 INCHES IN
  • Functional Description: ALIGNS ELEMENTS FOR THE PAO CART DIESEL DRIVE UNIT
  • Nominal Overall Diameter: 7.250 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-493-8075, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. Government technical data includes 4 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-493-8075
Primary Part Number20323
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Reference Data and LiteratureSERD NO LM21302536
Nominal Overall Length7.500 INCHES IN
Functional DescriptionALIGNS ELEMENTS FOR THE PAO CART DIESEL DRIVE UNIT
Nominal Overall Diameter7.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3820-00-103-230520323 INTERCHANGEABLE
Chute,fine Material
Eagle Crusher Co Inc Dba Stedman Machine Co
5310-00-187-151336B01847PC392 INTERCHANGEABLE
Washer,flat
Naval Ship Systems Command
5331-00-265-10750104-02-20 INTERCHANGEABLE
O-Ring
Pti Technologies Inc.
4820-00-822-0652428-3 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
4710-00-866-96571H4110-866-9657 INTERCHANGEABLE
Tube,dispenser
Naval Inventory Control Point Mechanicsburg
5330-01-201-453420323 INTERCHANGEABLE
Cylinder,lubricator
Unipress Corporation
5330-01-265-924320323 INTERCHANGEABLE
Gasket
Eaton Aerospace, Llc Dba Jackson South
4710-01-449-041920323 INTERCHANGEABLE
Tube,metallic
American Boa Inc
4520-01-460-341233245 INTERCHANGEABLE
Heating Element,electrical,nonim
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
20323 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
20323 Itw Gse Inc. (USA)
Related Parts
3820-00-103-2305INTERCHANGEABLE
CHUTE,FINE MATERIAL
20323
5310-00-187-1513INTERCHANGEABLE
WASHER,FLAT
36B01847PC392
5331-00-265-1075INTERCHANGEABLE
O-RING
0104-02-20
4820-00-822-0652INTERCHANGEABLE
VALVE,GATE
428-3
4710-00-866-9657INTERCHANGEABLE
TUBE,DISPENSER
1H4110-866-9657
5330-01-201-4534INTERCHANGEABLE
CYLINDER,LUBRICATOR
20323
5330-01-265-9243INTERCHANGEABLE
GASKET
20323
4710-01-449-0419INTERCHANGEABLE
TUBE,METALLIC
20323
4520-01-460-3412INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
33245

Frequently Asked Questions

What is NSN 4920-01-493-8075?

NSN 4920-01-493-8075 is a Fixture,aircraft Maintenance, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-493-8075?

NSN 4920-01-493-8075 has 2 cross-referenced part numbers: 20323 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 20323 (Itw Gse Inc.).

What NSN replaces 4920-01-493-8075?

There are 9 known substitutes for 4920-01-493-8075: 3820-00-103-2305, 5310-00-187-1513, 5331-00-265-1075 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20323?

Key specifications for 20323: Reference Data and Literature: SERD NO LM21302536; Special Features: NAME ASSIGNED BY COMPANY: FIXTURE, ALIGNMENT, PAO CART DIESEL DRIVE; Nominal Overall Length: 7.500 INCHES IN; End Item Identification: F22 ACFT. 6 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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