NSN catalog · 90,147 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-064-6372
Helical Gear P/N 7748588
In stock — 199 on our U.S. shelfNSN 3020-00-064-6372 3020000646372 NIIN 000646372
SECO Parts has 199 in stock of NSN 3020-00-064-6372 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- GEAR,HELICAL
- SECO description
- GEAR, T/C HIGH
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 198 |
| Serviceable | SV | 1 |
| Total | 199 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-064-6372 000646372 7748588 3892K2143
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
- Hardness rating
- Overall Rockwell C Minimum 57.0 and Rockwell C Maximum 63.0
- Spline pitch diameter
- First End Inches Nominal 4.2500
- Features provided
- Single Helix
- Spline quantity
- 34
- Face nominal width
- Inches 2.500
- Bore nominal diameter
- Both Ends Inches 3.380
- Counterbore nominal depth
- Second End Inches 1.052
- Counterbore nominal diameter
- Second End Inches 3.937
- Nominal outside diameter
- Inches 7.912
- Tooth form
- Standard
- Teeth quantity
- 37
- Pitch diameter
- 7.5174 in (nominal)
- Helix angle
- Degrees 17.5447
- Hub nominal diameter
- First End Inches 5.326
- Material
- Overall Steel Comp 8620
- Nominal distance between body face and protruding hub end
- First End Inches 1.114
- Tooth direction
- Left
- Pressure angle
- Degrees 17.5000
- Material document and classification
- Overall Fed STD Single Material Response 66AISI to SAE8620
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
7748588 3892K2143
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 199 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N 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 3020-00-064-6372?
NSN 3020-00-064-6372 (3020000646372) — Helical Gear: SECO Parts has 199 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 3020-00-064-6372 available?
SECO Parts has 199 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-064-6372 cost?
SECO lists NSN 3020-00-064-6372 at $275.00 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 3020-00-064-6372?
Part numbers that cross-reference this NSN include 7748588, 3892K2143. 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.