SECO Parts and Equipment — U.S. stocking supplier since 1951 · CAGE 1JUW8 · 3000 Mike Padgett Hwy, Augusta, GA 30906 706-798-7500 sales@secoglobal.com secoparts.net ↗
Quote list Online store ↗

Catalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-971-5020

Helical Gear P/N 8712210

In stock — 58 on our U.S. shelf

NSN 3020-00-971-5020 3020009715020 NIIN 009715020

SECO Parts has 58 in stock of NSN 3020-00-971-5020 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker.

Buy now · $185.00 ↗

One part, one step — answered within one business day. Several parts? and send them together.

FLIS item name
GEAR,HELICAL
SECO description
GEAR,T/M 4TH SPD MAI
Federal supply class
FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Helical Gear — NSN 3020-00-971-5020, photographed in SECO's warehouse

Availability & condition

ConditionCodeQty on shelf
New SurplusNS 58
Total58

Quantities are live from SECO's inventory system, not estimated.

Also known as: 3020-00-971-5020 009715020 8712210 62-8-44 T406-11A 973596R1

Get a quote

Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.

More to tell us? Need-by date, ship-to, your own RFQ document

Specifications

Spline quantity
22
Attachment method
Mounting Hole
Pitch diameter
4.2714 in (nominal)
Teeth quantity
23
Spline pitch diameter
Both Ends Inches Nominal 3.1429
Features provided
Single Helix
Hardness rating
Overall Rockwell C Minimum 59.0 and Rockwell C Maximum 62.0
Nominal distance between body face and protruding hub end
First End Inches 0.890
Face nominal width
Inches 1.281
Bore nominal diameter
Both Ends Inches 3.303
Hub nominal diameter
First End Inches 3.938
Mounting hole nominal diameter
Transversely Through Face Inches 0.156
Special features
Counterore 1ST End,Dia 3.344 In. Nom BY 0.483 In. Nom Deep
Material
Overall Steel Comp 8620H or Steel Comp 8720H
Material document and classification
Overall Fed STD All Material Responses 66
Pressure angle
Degrees 17.5000
Helix angle
Degrees 26.1666
Mounting hole type and quantity
Transversely Through Face Plain 3
Nominal outside diameter
Inches 4.728
Tooth form
Standard
Tooth direction
Left

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

8712210 62-8-44 T406-11A 973596R1

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supplySMS
DLA Land and Maritime, Columbus, Ohio
Acquisition advice codeJ
Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 58 on the shelf
Unit of issueEA
each
Demilitarization codeA
Demilitarization not required — non-munitions-list item
Controlled inventory codeU
Unclassified
Hazardous material indicatorN
No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 3020-00-971-5020?
NSN 3020-00-971-5020 (3020009715020) — Helical Gear: SECO Parts has 58 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for helical gear in federal supply class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain).

Is NSN 3020-00-971-5020 available?
SECO Parts has 58 in stock in Augusta, GA — order or request a quote below.

How much does NSN 3020-00-971-5020 cost?
SECO lists NSN 3020-00-971-5020 at $185.00 on its online store for card checkout; request a quote for quantity or to buy on a purchase order.

What part numbers cross-reference to NSN 3020-00-971-5020?
Part numbers that cross-reference this NSN include 8712210, 62-8-44, T406-11A, 973596R1. SECO can quote against any of them.

Same item, other stock numbers

Other NSNs the federal catalog names GEAR,HELICAL. Same name is not the same part: check the part numbers.

More in FSC 3020

All of FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain →

Buy now · $185.00 Get a quote