NSN catalog · 90,336 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-01-031-8307
Helical Gear P/N 2507333
In stock — 3 on our U.S. shelfNSN 3020-01-031-8307 3020010318307 NIIN 010318307
SECO Parts has 3 in stock of NSN 3020-01-031-8307 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $1,026.46 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
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, HELICAL
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 3 |
| Total | 3 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-01-031-8307 010318307 2507333
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
- Attachment method
- Mounting Hole
- Pitch diameter
- 8.0914 in (nominal)
- Teeth quantity
- 132
- Features provided
- Single Helix
- Mounting hole type and quantity
- Axially Through Body First End Countersunk 8
- Nominal outside diameter
- Inches 8.2000
- Tooth form
- Standard
- Tooth direction
- Left
- Pressure angle
- Degrees 20.0000
- Helix angle
- Degrees 25.0000
- Body recess nominal depth
- First End Inches 0.500
- Face nominal width
- Inches 0.750
- Bore nominal diameter
- Both Ends Inches 5.6825
- Precision classification
- Quality Number 8
- Mounting hole nominal diameter
- Axially Through Body First End Inches 0.266
- Bolt hole circle nominal diameter
- Axially Through Body First End Inches 6.750
- Material
- Overall Steel Comp 4140
- Material document and classification
- Overall Fed STD Single Material Response 66 and Assn STD Single Material Response Aisi to SAE 4140
- Surface treatment
- Overall Oxide
- Surface treatment document and classification
- Overall MIL Spec Single Treatment Response -IL-C-13924,Class 2
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
2507333
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 | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 3 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 3020-01-031-8307?
NSN 3020-01-031-8307 (3020010318307) — Helical Gear: SECO Parts has 3 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 3020-01-031-8307 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-01-031-8307 cost?
The government catalog (FEDLOG) lists NSN 3020-01-031-8307 at $1,026.46 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 3020-01-031-8307?
Part numbers that cross-reference this NSN include 2507333. 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.