PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NFA2628AGear,helical

Fairbanks Morse, Llc · NSN 3020-00-275-0963 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-275-0963 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-275-0963. Primary manufacturer part number: NFA2628A.
Features
  • Gear,helical — FSC 3020
  • Pitch Diameter: 3.6085 INCHES NOMINAL IN
  • Teeth Quantity: 25
  • Nominal Distance From Bore Center to Keyway Bottom: 1.3910 INCHES BOTH ENDS IN
  • Helix Angle: 30.0000 DEGREES
  • Material: STEEL OVERALL
  • Body Style: PLAIN, SOLID
  • Nominal Outside Diameter: 3.8560 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-275-0963, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-275-0963
Primary Part NumberNFA2628A
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusCANCELLED
Pitch Diameter3.6085 INCHES NOMINAL IN
Teeth Quantity25
Nominal Distance From Bore Center to Keyway Bottom1.3910 INCHES BOTH ENDS IN
Helix Angle30.0000 DEGREES
MaterialSTEEL OVERALL
Body StylePLAIN, SOLID
Nominal Outside Diameter3.8560 INCHES IN
Face Nominal Width1.3012 INCHES IN
Teeth TypeSINGLE HELIX
Bore Nominal Diameter2.4995 INCHES BOTH ENDS IN
Tooth DirectionLEFT
Bore StyleW/ KEYWAY BOTH ENDS
Keyway Nominal Width0.624 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Pressure Angle14.5000 DEGREES
Style DesignatorHUBLESS
Hardness Rating27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-173-07032628 INTERCHANGEABLE
Strike
Adams Rite Aerospace, Inc
3020-00-370-91042628 INTERCHANGEABLE
Gear,bevel
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3020-00-769-54362628 INTERCHANGEABLE
Gear Cluster
L3harris Technologies, Inc. Div Space and Airborne Systems
5935-00-776-19302628 INTERCHANGEABLE
Shell,electrical Connector
Souriau Usa, Inc. Dba Souriau Usa Inc
2940-01-011-400342628 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5310-01-020-51172628 INTERCHANGEABLE
Washer,flat
Naval Inventory Control Point Mechanicsburg
5905-01-096-54732628 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
6515-01-160-60118313 INTERCHANGEABLE
Cuff,sphygmomanometer
Critikon Inc Sub of Johnson and Johnson
5930-01-174-10362628 INTERCHANGEABLE
Switch,push
Bunn-O-Matic Corporation Div Government Sales
5340-01-300-28179020 INTERCHANGEABLE
Handle,manual Control
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
13NF4A25APC2 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ANF6A25GPC2628 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MNFA2628C Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
13NF4A25APC2 Fairbanks Morse, Llc (USA)
23NF6A25APC2 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ANF6A25APC2628 Fairbanks Morse, Llc (USA)
23NF6A25CPC2 Fairbanks Morse, Llc (USA)
MNFA2628C Fairbanks Morse, Llc (USA)
13NF4A25BPC2 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
2628 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
ANF6A25APC2628 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
NFA2628A Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
23NF6A25CPC2 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
13NF4A25BPC2 Fairbanks Morse, Llc (USA)
2628 Fairbanks Morse, Llc (USA)
ANF6A25GPC2628 Fairbanks Morse, Llc (USA)
23NF6A25APC2 Fairbanks Morse, Llc (USA)
NFA2628A PRIMARY Fairbanks Morse, Llc (USA)
Related Parts
5342-00-173-0703INTERCHANGEABLE
STRIKE
2628
3020-00-370-9104INTERCHANGEABLE
GEAR,BEVEL
2628
3020-00-769-5436INTERCHANGEABLE
GEAR CLUSTER
2628
5935-00-776-1930INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
2628
2940-01-011-4003INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42628
5310-01-020-5117INTERCHANGEABLE
WASHER,FLAT
2628
5905-01-096-5473INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2628
6515-01-160-6011INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
8313
5930-01-174-1036INTERCHANGEABLE
SWITCH,PUSH
2628
5340-01-300-2817INTERCHANGEABLE
HANDLE,MANUAL CONTROL
9020
5120-01-310-2873INTERCHANGEABLE
SANDER,DRYWALL,HAND
6750-01-354-3252INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
BZPUF

Frequently Asked Questions

What is NSN 3020-00-275-0963?

NSN 3020-00-275-0963 is a Gear,helical, manufactured by Fairbanks Morse, Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-275-0963?

NSN 3020-00-275-0963 has 18 cross-referenced part numbers: 13NF4A25APC2 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), ANF6A25GPC2628 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), MNFA2628C (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 13NF4A25APC2 (Fairbanks Morse, Llc), 23NF6A25APC2 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine) and 13 more.

What NSN replaces 3020-00-275-0963?

There are 12 known substitutes for 3020-00-275-0963: 5342-00-173-0703, 3020-00-370-9104, 3020-00-769-5436 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NFA2628A?

Key specifications for NFA2628A: Pitch Diameter: 3.6085 INCHES NOMINAL IN; Teeth Quantity: 25; Nominal Distance From Bore Center to Keyway Bottom: 1.3910 INCHES BOTH ENDS IN; Helix Angle: 30.0000 DEGREES. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-275-0963 still in active supply?

NSN 3020-00-275-0963 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com