PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-1427Gear,worm

Altra Industrial Motion Corp. · NSN 3020-01-195-9254 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-195-9254 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-195-9254. Primary manufacturer part number: H-1427.
Features
  • Gear,worm — FSC 3020
  • Face Nominal Width: 1.750 INCHES IN
  • Face Type: CONCAVE
  • Style Designator: HUBLESS
  • Pressure Angle: 14.5000 DEGREES
  • Thread Form Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Helix Angle: 9.4665 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,worm, cataloged under National Stock Number 3020-01-195-9254, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN3020-01-195-9254
Primary Part NumberH-1427
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
Face Nominal Width1.750 INCHES IN
Face TypeCONCAVE
Style DesignatorHUBLESS
Pressure Angle14.5000 DEGREES
Thread Form DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Helix Angle9.4665 DEGREES
Nominal Distance From Bore Center to Keyway Bottom0.531 INCHES BOTH ENDS IN
Pitch Diameter1.5000 INCHES NOMINAL IN
Bore Nominal Diameter0.875 INCHES BOTH ENDS IN
Thread Form Quantity2
Keyway Nominal Width0.188 INCHES BOTH ENDS IN
Bore StyleW/ KEYWAY BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2510-00-693-05927372719 INTERCHANGEABLE
Retainer,cab Top
U S Army Tank Automotive Command Amsta-Im-Mm
4820-00-862-939774560 INTERCHANGEABLE
Stem,fluid Valve
Clyde Bergemann Inc
4010-00-959-662710947250 INTERCHANGEABLE
Link,chain,lap
U S Army Tank Automotive Command Amsta-Im-Mm
4410-01-195-4381 INTERCHANGEABLE
Roller,beam,soot Blower
4820-01-195-5943 INTERCHANGEABLE
Valve,check
4820-01-196-1302 INTERCHANGEABLE
Trigger,valve Lever
3040-01-196-1504 INTERCHANGEABLE
Lever,remote Control
3020-01-196-9127 INTERCHANGEABLE
Chain,roller
3020-01-197-7228DB-1420 INTERCHANGEABLE
Gear,worm Wheel
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
H-1427 PRIMARY Altra Industrial Motion Corp. (USA)
X-74050 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X-74050PIECE 3-8 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
66038 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
2510-00-693-0592INTERCHANGEABLE
RETAINER,CAB TOP
7372719
4820-00-862-9397INTERCHANGEABLE
STEM,FLUID VALVE
74560
4010-00-959-6627INTERCHANGEABLE
LINK,CHAIN,LAP
10947250
4410-01-195-4381INTERCHANGEABLE
ROLLER,BEAM,SOOT BLOWER
4820-01-195-5943INTERCHANGEABLE
VALVE,CHECK
4820-01-196-1302INTERCHANGEABLE
TRIGGER,VALVE LEVER
3040-01-196-1504INTERCHANGEABLE
LEVER,REMOTE CONTROL
3020-01-196-9127INTERCHANGEABLE
CHAIN,ROLLER
3020-01-197-7228INTERCHANGEABLE
GEAR,WORM WHEEL
DB-1420

Frequently Asked Questions

What is NSN 3020-01-195-9254?

NSN 3020-01-195-9254 is a Gear,worm, manufactured by Altra Industrial Motion Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-195-9254?

NSN 3020-01-195-9254 has 4 cross-referenced part numbers: H-1427 (Altra Industrial Motion Corp.), X-74050 (Spx Flow Us, Llc Dba Spx Valves & Controls), X-74050PIECE 3-8 (Spx Flow Us, Llc Dba Spx Valves & Controls), 66038 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 3020-01-195-9254?

There are 9 known substitutes for 3020-01-195-9254: 2510-00-693-0592, 4820-00-862-9397, 4010-00-959-6627 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-1427?

Key specifications for H-1427: Face Nominal Width: 1.750 INCHES IN; Face Type: CONCAVE; Style Designator: HUBLESS; Pressure Angle: 14.5000 DEGREES. 13 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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