PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H1-48Gear,spur

Roller Bearing Co of America, Inc Div Pic Design · NSN 3020-00-836-8269 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-836-8269 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-836-8269. Primary manufacturer part number: H1-48.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
  • Hub Style Designator: SPLIT FIRST END
  • Material: STEEL COMP 303 OVERALL
  • Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN
  • Body Style: PLAIN, SOLID
  • Tooth Form: STANDARD
  • Material Document and Classification: MIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-836-8269, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3020-00-836-8269
Primary Part NumberH1-48
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Pitch Diameter0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Hub Style DesignatorSPLIT FIRST END
MaterialSTEEL COMP 303 OVERALL
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Body StylePLAIN, SOLID
Tooth FormSTANDARD
Material Document and ClassificationMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.125 INCHES IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Nominal Outside Diameter1.042 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.281 INCHES FIRST END IN
Hardness Rating75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL
Surface TreatmentPASSIVATE OVERALL
Bore StylePLAIN BOTH ENDS
Attachment MethodCLAMP
Teeth Quantity48
Hub Nominal Diameter0.312 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-079-8810H14-8 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Howmet Global Fastening Systems Inc
3455-00-187-2634 INTERCHANGEABLE
Blade,hole Saw
5950-01-084-0715537235-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5950-01-105-4948H-148 INTERCHANGEABLE
Transformer,pulse
Payne Magnetics, Inc.
Cross-Reference Index
Part NumberManufacturer
H1-48 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
M48S48 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
R21-48 Designatronics Incorporated Div Sterling Instruments Div (USA)
GC14-48P1 PRIMARY Secs Inc (USA)
C48S18-48 W. M. Berg, Inc. (USA)
Related Parts
5310-00-079-8810INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
H14-8
3455-00-187-2634INTERCHANGEABLE
BLADE,HOLE SAW
5950-01-084-0715INTERCHANGEABLE
TRANSFORMER,POWER
537235-1
5950-01-105-4948INTERCHANGEABLE
TRANSFORMER,PULSE
H-148

Frequently Asked Questions

What is NSN 3020-00-836-8269?

NSN 3020-00-836-8269 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-836-8269?

NSN 3020-00-836-8269 has 5 cross-referenced part numbers: H1-48 (Roller Bearing Co of America, Inc Div Pic Design), M48S48 (Designatronics Inc Perfect Gear and Instrument Div), R21-48 (Designatronics Incorporated Div Sterling Instruments Div), GC14-48P1 (Secs Inc), C48S18-48 (W. M. Berg, Inc.).

What NSN replaces 3020-00-836-8269?

There are 4 known substitutes for 3020-00-836-8269: 5310-00-079-8810, 3455-00-187-2634, 5950-01-084-0715 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H1-48?

Key specifications for H1-48: Pitch Diameter: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; Hub Style Designator: SPLIT FIRST END; Material: STEEL COMP 303 OVERALL; Clamping Surface Nominal Length: 0.250 INCHES FIRST END 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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