PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

750263-1Hub,body

General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations · NSN 3040-01-275-8039 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-275-8039 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-275-8039. Primary manufacturer part number: 750263-1.
Features
  • Hub,body — FSC 3040
  • First End Hub Outside Diameter: 1.131 INCHES NOMINAL IN
  • Shoulder Outside Diameter: 1.256 INCHES NOMINAL IN
  • Material Document and Classification: COMP 321 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY
  • 2 verified cross-references
  • Primary manufacturer: General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Hub,body, cataloged under National Stock Number 3040-01-275-8039, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3040-01-275-8039
Primary Part Number750263-1
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerGeneral Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
StatusACTIVE
First End Hub Outside Diameter1.131 INCHES NOMINAL IN
Shoulder Outside Diameter1.256 INCHES NOMINAL IN
Material Document and ClassificationCOMP 321 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4130-01-188-0320 INTERCHANGEABLE
Filter-Drier,refrigerant
6625-01-333-6674750263-1 INTERCHANGEABLE
Probe Subassembly
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
750263-1 PRIMARY General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA)
750263 General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA)
Related Parts
4130-01-188-0320INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
6625-01-333-6674INTERCHANGEABLE
PROBE SUBASSEMBLY
750263-1

Frequently Asked Questions

What is NSN 3040-01-275-8039?

NSN 3040-01-275-8039 is a Hub,body, manufactured by General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-275-8039?

NSN 3040-01-275-8039 has 2 cross-referenced part numbers: 750263-1 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations), 750263 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations).

What NSN replaces 3040-01-275-8039?

There are 2 known substitutes for 3040-01-275-8039: 4130-01-188-0320, 6625-01-333-6674. Verify interchangeability with system specifications before substitution.

What are the specifications of 750263-1?

Key specifications for 750263-1: First End Hub Outside Diameter: 1.131 INCHES NOMINAL IN; Special Features: THREAD SIZE:1.438-18 IN.;O/A LENGTH:1.375 IN.NOM IN; Shoulder Outside Diameter: 1.256 INCHES NOMINAL IN; Material Document and Classification: COMP 321 FED SPEC SINGLE MATERIAL RESPONSE. 5 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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