PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42596Gearshaft,spur

Moog Inc. Dba Ampac-Isp Corp · NSN 3040-01-494-5721 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-494-5721 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-494-5721. Primary manufacturer part number: 42596.
Features
  • Gearshaft,spur — FSC 3040
  • Gear Location on Shaft: OFF CENTER BETWEEN ENDS OF SHAFT
  • Hardness Rating: 38.0 ROCKWELL C MAXIMUM OVERALL
  • Shaft End Size: 1.120 INCHES IN
  • Shaft Type: SHOULDERED
  • Shaft Material: STEEL COMP 630
  • Gear Material: STEEL COMP 630
  • Shaft End Type: THREADED INTERNAL AND SPLINED STRAIGHT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-01-494-5721, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-494-5721
Primary Part Number42596
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Gear Location on ShaftOFF CENTER BETWEEN ENDS OF SHAFT
Hardness Rating38.0 ROCKWELL C MAXIMUM OVERALL
Shaft End Size1.120 INCHES IN
Shaft TypeSHOULDERED
Shaft MaterialSTEEL COMP 630
Gear MaterialSTEEL COMP 630
Shaft End TypeTHREADED INTERNAL AND SPLINED STRAIGHT
Teeth Quantity12
Shaft Diameter1.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5930-01-323-081142596 INTERCHANGEABLE
Switch,flow
Thomas Products Llc
3010-01-488-54969075BD INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Moog Inc. Dba Ampac-Isp Corp
5365-01-494-447339837 INTERCHANGEABLE
Spacer,special Shaped
Moog Inc. Dba Ampac-Isp Corp
3120-01-494-459239802 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3120-01-494-460839803 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3020-01-494-569739798 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
3120-01-494-85459075-39795 ITEM 5 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
3040-01-494-926142597 INTERCHANGEABLE
Cam,control
Moog Inc. Dba Ampac-Isp Corp
3040-01-494-93549075-39795 ITEM 7 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
7310-01-582-128842596 INTERCHANGEABLE
Grill,charcoal
Lowe's Home Centers Inc Dba Lowe's Div Lowe's Companies, Inc.
Cross-Reference Index
Part NumberManufacturer
9075-39795 Moog Inc. Dba Ampac-Isp Corp (USA)
9075-39795 ITEM 2 Moog Inc. Dba Ampac-Isp Corp (USA)
42596 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5930-01-323-0811INTERCHANGEABLE
SWITCH,FLOW
42596
3010-01-488-5496INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
9075BD
5365-01-494-4473INTERCHANGEABLE
SPACER,SPECIAL SHAPED
39837
3120-01-494-4592INTERCHANGEABLE
BEARING,SLEEVE
39802
3120-01-494-4608INTERCHANGEABLE
BEARING,SLEEVE
39803
3020-01-494-5697INTERCHANGEABLE
GEAR RACK
39798
3120-01-494-8545INTERCHANGEABLE
BUSHING,SLEEVE
9075-39795 ITEM 5
3040-01-494-9261INTERCHANGEABLE
CAM,CONTROL
42597
3040-01-494-9354INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
9075-39795 ITEM 7
7310-01-582-1288INTERCHANGEABLE
GRILL,CHARCOAL
42596
5930-01-673-8666INTERCHANGEABLE
SWITCH,TILT
42596

Frequently Asked Questions

What is NSN 3040-01-494-5721?

NSN 3040-01-494-5721 is a Gearshaft,spur, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-494-5721?

NSN 3040-01-494-5721 has 3 cross-referenced part numbers: 9075-39795 (Moog Inc. Dba Ampac-Isp Corp), 9075-39795 ITEM 2 (Moog Inc. Dba Ampac-Isp Corp), 42596 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3040-01-494-5721?

There are 11 known substitutes for 3040-01-494-5721: 5930-01-323-0811, 3010-01-488-5496, 5365-01-494-4473 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42596?

Key specifications for 42596: End Item Identification: ROTARY HYDRAULIC ACTUATOR MODEL 9075BD, BREECH DOOR; Overall Length: 30.480 INCHES MINIMUM AND 30.520 INCHES MAXIMUM IN; Gear Location on Shaft: OFF CENTER BETWEEN ENDS OF SHAFT; Hardness Rating: 38.0 ROCKWELL C MAXIMUM OVERALL. 12 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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