# 990974 Hexagon Nut | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon nut weighing 0.112 kg and recorded against four TAMD-series applications in the cost records. It supersedes part number 955787.

## ⚙️ Key Features

-   0.112 kg
-   Four TAMD-series applications
-   Supersedes 955787

## 🔌 Function

Clamps a threaded joint through a plain six-sided nut run onto a stud or bolt.

## ⚠️ Common Signs of Failure

-   Joint loosening under vibration
-   Spanner flats rounded
-   Thread stripped or pulled
-   Rust locking the nut onto the stud

## 🛠️ Service Notes

-   Only four applications are recorded for it, all on the TAMD series - check the number against your parts list before ordering
-   Check the stud thread for damage while the nut is off

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   990974 → Supersedes 955787

### OEM / Related Numbers

-   955787 earlier number superseded by this part

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 12.27 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.27 AUD | In stock |

## Images

- 990974 Hexagon Nut | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/990974-hexagon-nut-genuine-volvo-penta)
> Updated: 2026-10-11