PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30276-1Gear,internal

Hamilton Sundstrand Corporation · NSN 3020-00-015-8615 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-015-8615 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-015-8615. Primary manufacturer part number: 30276-1.
Features
  • Gear,internal — FSC 3020
  • Bore Nominal Diameter: 1.879 INCHES BOTH ENDS IN
  • Surface Treatment: OXIDE OVERALL
  • Tooth Form: STUB
  • Pitch Diameter: 5.0938 INCHES NOMINAL IN
  • Teeth Quantity: 163
  • Spline Quantity: 35 BOTH ENDS
  • Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Gear,internal, cataloged under National Stock Number 3020-00-015-8615, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-015-8615
Primary Part Number30276-1
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation
StatusACTIVE
Bore Nominal Diameter1.879 INCHES BOTH ENDS IN
Surface TreatmentOXIDE OVERALL
Tooth FormSTUB
Pitch Diameter5.0938 INCHES NOMINAL IN
Teeth Quantity163
Spline Quantity35 BOTH ENDS
Hardness Rating33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationMIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Face Nominal Width0.330 INCHES IN
Teeth TypeSPUR
Spline Pitch Diameter1.7500 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL COMP E4340 OVERALL
Body StyleWEBBED, OFFSET, WITH LIGHTENING HOLES
Bore StyleINVOLUTE SPLINE BOTH ENDS
Nominal Overall Length1.710 INCHES IN
Pressure Angle20.0000 DEGREES
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Nominal Diameter2.100 INCHES FIRST END IN
Nominal Outside Diameter5.508 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-061-684430276-1 INTERCHANGEABLE
Shim
Dana Light Axle Products, Llc Dba Dana Light Axle Products
2840-00-536-4114302761 INTERCHANGEABLE
Vane,compressor,aircraft Gas Tur
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1560-00-724-127544010-1 INTERCHANGEABLE
Seal Assembly,aircraft
Ameridrives International Llc Dba Ameridrives International Llc
5998-01-529-2600302761 INTERCHANGEABLE
Printed Circuit Board
Liebel-Flarsheim Company Llc
Cross-Reference Index
Part NumberManufacturer
30276-1 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
30276-1 PRIMARY Hamilton Sundstrand Corporation (USA)
30276-1 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5365-00-061-6844INTERCHANGEABLE
SHIM
30276-1
2840-00-536-4114INTERCHANGEABLE
VANE,COMPRESSOR,AIRCRAFT GAS TUR
302761
1560-00-724-1275INTERCHANGEABLE
SEAL ASSEMBLY,AIRCRAFT
44010-1
5998-01-529-2600INTERCHANGEABLE
PRINTED CIRCUIT BOARD
302761

Frequently Asked Questions

What is NSN 3020-00-015-8615?

NSN 3020-00-015-8615 is a Gear,internal, manufactured by Hamilton Sundstrand Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-015-8615?

NSN 3020-00-015-8615 has 3 cross-referenced part numbers: 30276-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 30276-1 (Hamilton Sundstrand Corporation), 30276-1 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 3020-00-015-8615?

There are 4 known substitutes for 3020-00-015-8615: 5365-00-061-6844, 2840-00-536-4114, 1560-00-724-1275 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30276-1?

Key specifications for 30276-1: Bore Nominal Diameter: 1.879 INCHES BOTH ENDS IN; Surface Treatment: OXIDE OVERALL; Tooth Form: STUB; Pitch Diameter: 5.0938 INCHES NOMINAL IN. 19 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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